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Patent Assignment Assignor Details
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Assignor Name : HEUER, HELMUT WERNER
Total Assignments: 45
Assignment: 1
Reel/Frame:009821/0831   Pages: 2
Recorded: 03/11/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEUER, HELMUT WERNER
Exec Dt:
02/23/1999
2
WEHRMANN, ROLF
Exec Dt:
02/23/1999
3
JONAS, FRIEDRICH
Exec Dt:
02/25/1999
4
OSENBERG, FRANK
Exec Dt:
03/03/1999
Assignee
1
BAYER AG
PATENTE-UND LIZENZEN
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6175441
NONE
09266372
Correspondence name and address
CONNOLLY AND HUTZ
FRANK Z. YANG
P.O. BOX 2207
WILMINGTON, DE 19801
Assignment: 2
Reel/Frame:009844/0940   Pages: 2
Recorded: 03/20/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOCH, FRIEDRICH
Exec Dt:
03/03/1999
2
HEUER, HELMUT WERNER
Exec Dt:
02/23/1999
3
WEHRMANN, ROLF
Exec Dt:
02/23/1999
4
DEUSSEN, MARTIN
Exec Dt:
03/10/1999
5
ELSCHNER, ANDREAS
Exec Dt:
02/25/1999
Assignee
1
BAYER AG
PATENTE UND LIZENZEN
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6277504
NONE
09272983
Correspondence name and address
CONNOLLY AND HUTZ
ALLAN N. KUTZENCO
1220 MARKET ST.
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 3
Reel/Frame:010075/0486   Pages: 2
Recorded: 06/29/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEUER, HELMUT WERNER
Exec Dt:
05/31/1999
2
WEHRMANN, ROLF
Exec Dt:
06/01/1999
3
ELSCHNER, ANDREAS
Exec Dt:
06/01/1999
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENT UND LIZENZEN
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6287713
NONE
09342952
Correspondence name and address
BAYER CORPORATION
RICHARD E.L. HENDERSON
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 4
Reel/Frame:013830/0808   Pages: 2
Recorded: 03/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BERNETH, HORST
Exec Dt:
12/21/1999
2
CLAUSSEN, UWE
Exec Dt:
01/05/2000
3
HEUER, HELMUT WERNER
Exec Dt:
01/03/2000
4
KOSTROMINE, SERGUEI
Exec Dt:
12/22/1999
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6569361
NONE
09462045
Correspondence name and address
BAYER CHEMICALS CORPORATION
DIDERICO VAN EYL
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:014413/0517   Pages: 2
Recorded: 08/24/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEYER, ALEXANDER
Exec Dt:
05/28/2003
2
MOETHRATH, MELANIE
Exec Dt:
05/28/2003
3
HEUER, HELMUT WERNER
Exec Dt:
05/28/2003
4
WEHRMANN, ROLF
Exec Dt:
05/30/2003
5
BRUDER, FRIEDRICH-KARL
Exec Dt:
06/02/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6825312
US20040030090
10420670
Correspondence name and address
BAYER POLYMERS LLC
ARON PREIS
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 6
Reel/Frame:026691/0994   Pages: 2
Recorded: 08/03/2011
Attorney Dkt #:14069-00307
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEUER, HELMUT WERNER
Exec Dt:
07/11/2011
2
WEHRMANN, ROLF
Exec Dt:
07/11/2011
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10131123
US20110293912
13147605
Correspondence name and address
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 7
Reel/Frame:026925/0518   Pages: 2
Recorded: 09/19/2011
Attorney Dkt #:14069-00319
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEUER, HELMUT WERNER
Exec Dt:
07/15/2011
2
WEHRMANN, ROLF
Exec Dt:
07/15/2011
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120004375
13256978
Correspondence name and address
MATTHEW W. HAMMERSLEY
1007 N. ORANGE STREET
WILMINGTON, DE 19801
Assignment: 8
Reel/Frame:026946/0442   Pages: 2
Recorded: 09/22/2011
Attorney Dkt #:14069-00321
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
08/18/2011
2
HEUER, HELMUT WERNER
Exec Dt:
08/19/2011
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9139730
US20120022204
13258508
Correspondence name and address
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 9
Reel/Frame:028095/0130   Pages: 4
Recorded: 04/24/2012
Attorney Dkt #:14069-00387
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KONRAD, STEPHAN
Exec Dt:
03/21/2012
2
HEUER, HELMUT WERNER
Exec Dt:
03/27/2012
3
KOEHLER, KARL-HEINZ
Exec Dt:
04/14/2012
4
WEHRMANN, ROLF
Exec Dt:
03/23/2012
5
KOCH, DANIEL
Exec Dt:
03/21/2012
6
BUTS, MARC
Exec Dt:
03/13/2012
7
GULDENTOPS, FRANK
Exec Dt:
03/21/2012
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120232196
13498361
Correspondence name and address
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 10
Reel/Frame:029654/0953   Pages: 2
Recorded: 01/18/2013
Attorney Dkt #:14069-00449
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEUER, HELMUT WERNER
Exec Dt:
10/22/2012
2
WEHRMANN, ROLF
Exec Dt:
10/22/2012
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9290590
US20130109809
13642304
Correspondence name and address
GEOFFREY A. ZELLEY
1007 NORTH ORANGE STREET
WILMINGTON, DE 19801
Assignment: 11
Reel/Frame:034015/0977   Pages: 3
Recorded: 10/23/2014
Attorney Dkt #:074023-0548-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ERKELENZ, MICHAEL
Exec Dt:
05/27/2014
2
FRANSSEN, HANS
Exec Dt:
05/28/2014
3
HEUER, HELMUT WERNER
Exec Dt:
05/28/2014
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STR. 10
MONHEIM AM RHEIN, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150011689
14361011
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801
Assignment: 12
Reel/Frame:036880/0863   Pages: 3
Recorded: 10/26/2015
Attorney Dkt #:074023-0548-01-US-534153
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ERKELENZ, MICHAEL
Exec Dt:
05/27/2014
2
FRANSSEN, HANS
Exec Dt:
05/28/2014
3
HEUER, HELMUT WERNER
Exec Dt:
05/28/2014
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
CREATIVE CAMPUS MONHEIM
ALFRED-NOBEL-STR. 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160040010
14922513
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 13
Reel/Frame:035369/0216   Pages: 3
Recorded: 04/09/2015
Attorney Dkt #:074023-0537-US-512686
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ERKELENZ, MICHAEL
Exec Dt:
03/17/2015
2
FRANSSEN, HANS
Exec Dt:
03/24/2015
3
HEUER, HELMUT WERNER
Exec Dt:
03/27/2015
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STR. 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9296893
US20140329948
14359614
Correspondence name and address
DRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 14
Reel/Frame:036847/0901   Pages: 3
Recorded: 10/21/2015
Attorney Dkt #:074033-0509-US-532739
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
08/26/2015
2
HEUER, HELMUT WERNER
Exec Dt:
08/31/2015
3
BOUMANS, ANKE
Exec Dt:
08/26/2015
4
WEIMAR, PETER
Exec Dt:
08/26/2015
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY D-51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9783673
US20160040009
14781782
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 15
Reel/Frame:036706/0351   Pages: 3
Recorded: 10/01/2015
Attorney Dkt #:074033-0510-US-532743
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
09/05/2015
2
HEUER, HELMUT WERNER
Exec Dt:
09/04/2015
3
BOUMANS, ANKE
Exec Dt:
09/05/2015
Assignee
1
BAYER MATERIALSCIENCE AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY D-51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9718951
US20160040005
14781799
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 16
Reel/Frame:042562/0896   Pages: 3
Recorded: 06/01/2017
Attorney Dkt #:074023-0739-US-563437
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
04/11/2017
2
HEUER, HELMUT WERNER
Exec Dt:
04/11/2017
3
BOUMANS, ANKE
Exec Dt:
04/11/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170362431
15532198
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 17
Reel/Frame:042571/0795   Pages: 3
Recorded: 06/02/2017
Attorney Dkt #:074023-0741-US-563600
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
05/12/2017
2
HEUER, HELMUT WERNER
Exec Dt:
05/12/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170355817
15532564
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 18
Reel/Frame:042571/0977   Pages: 3
Recorded: 06/02/2017
Attorney Dkt #:074023-0742-US-563599
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
05/12/2017
2
HEUER, HELMUT WERNER
Exec Dt:
05/12/2017
3
BOUMANS, ANKE
Exec Dt:
05/12/2017
4
ERKELENZ, MICHAEL
Exec Dt:
05/12/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10189941
US20170355816
15532571
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 19
Reel/Frame:042563/0105   Pages: 3
Recorded: 06/01/2017
Attorney Dkt #:074023-0740-US-563438
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
05/24/2017
2
HEUER, HELMUT WERNER
Exec Dt:
05/23/2017
3
BOUMANS, ANKE
Exec Dt:
05/24/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10119009
US20170362410
15532207
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 20
Reel/Frame:043421/0457   Pages: 6
Recorded: 08/28/2017
Attorney Dkt #:074023-0738-US-563426
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEUER, HELMUT WERNER
Exec Dt:
05/23/2017
2
WEHRMANN, ROLF
Exec Dt:
05/24/2017
3
BOUMANS, ANKE
Exec Dt:
05/24/2017
4
ERKELENZ, MICHAEL
Exec Dt:
05/29/2017
5
FRANSSEN, HANS
Exec Dt:
06/23/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170362430
15532193
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 21
Reel/Frame:044571/0208   Pages: 3
Recorded: 01/09/2018
Attorney Dkt #:074023-0773-US-572578
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAEMISCH, BIRTE
Exec Dt:
12/13/2017
2
WEHRMANN, ROLF
Exec Dt:
12/13/2017
3
HEUER, HELMUT WERNER
Exec Dt:
12/13/2017
4
KUHLMANN, TIMO
Exec Dt:
12/13/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180194926
15742328
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 22
Reel/Frame:044702/0574   Pages: 6
Recorded: 01/23/2018
Attorney Dkt #:074023-0772-US-572575
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEUER, HELMUT WERNER
Exec Dt:
12/19/2017
2
WEHRMANN, ROLF
Exec Dt:
12/19/2017
3
BOUMANS, ANKE
Exec Dt:
12/19/2017
4
ERKELENZ, MICHAEL
Exec Dt:
12/19/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10472516
US20180201780
15742631
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 23
Reel/Frame:045174/0160   Pages: 6
Recorded: 03/12/2018
Attorney Dkt #:074023-0770-US-572579
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SAEMISCH, BIRTE
Exec Dt:
12/20/2017
2
WEHRMANN, ROLF
Exec Dt:
12/19/2017
3
HEUER, HELMUT WERNER
Exec Dt:
12/19/2017
4
KUHLMANN, TIMO
Exec Dt:
12/19/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180194925
15742293
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 24
Reel/Frame:045174/0336   Pages: 3
Recorded: 03/12/2018
Attorney Dkt #:074023-0771-US-572611
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
12/19/2017
2
HEUER, HELMUT WERNER
Exec Dt:
12/19/2017
3
BOUMANS, ANKE
Exec Dt:
12/19/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180201755
15742620
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 25
Reel/Frame:049458/0282   Pages: 3
Recorded: 06/13/2019
Attorney Dkt #:074023-0787-US-578431
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
07/17/2018
2
HEUER, HELMUT WERNER
Exec Dt:
07/17/2018
3
BOUMANS, ANKE
Exec Dt:
07/17/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10669418
US20180355167
16061023
Correspondence name and address
DRINKER BIDDLE REATH LLP
222 DELAWARE AVE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 26
Reel/Frame:047136/0044   Pages: 3
Recorded: 10/11/2018
Attorney Dkt #:074023-0798-US-582488
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEUER, HELMUT WERNER
Exec Dt:
09/04/2018
2
WEHRMANN, ROLF
Exec Dt:
09/06/2018
3
BOUMANS, ANKE
Exec Dt:
09/05/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10676613
US20190136047
16092981
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 27
Reel/Frame:048132/0482   Pages: 3
Recorded: 01/25/2019
Attorney Dkt #:074023-0809-US-583663
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
11/14/2018
2
HEUER, HELMUT WERNER
Exec Dt:
11/14/2018
3
BOUMANS, ANKE
Exec Dt:
11/14/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190161576
16301840
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 28
Reel/Frame:048132/0776   Pages: 3
Recorded: 01/25/2019
Attorney Dkt #:074023-0810-US-583736
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
11/14/2018
2
HEUER, HELMUT WERNER
Exec Dt:
11/14/2018
3
BOUMANS, ANKE
Exec Dt:
11/14/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10934415
US20190153199
16302762
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 29
Reel/Frame:048133/0779   Pages: 4
Recorded: 01/25/2019
Attorney Dkt #:074023-0824-US-585002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
12/07/2018
2
BOUMANS, ANKE
Exec Dt:
12/07/2018
3
HEUER, HELMUT WERNER
Exec Dt:
12/07/2018
4
GRIMM, THOMAS
Exec Dt:
12/11/2018
5
KNAUPP, MATTHIAS
Exec Dt:
12/11/2018
6
BAUER, JOHN
Exec Dt:
01/15/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190255825
16314772
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 30
Reel/Frame:064755/0790   Pages: 4
Recorded: 08/30/2023
Attorney Dkt #:10139-2206203
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
12/07/2018
2
BOUMANS, ANKE
Exec Dt:
12/07/2018
3
HEUER, HELMUT WERNER
Exec Dt:
12/07/2018
4
GRIMM, THOMAS
Exec Dt:
12/11/2018
5
KNAUPP, MATTHIAS
Exec Dt:
12/11/2018
6
BAUER, JOHN
Exec Dt:
01/15/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
1 KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11993061
US20220088906
17538218
Correspondence name and address
MICHAEL J. GRESE, THE WEBB LAW FIRM
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD, SUITE 1200
PITTSBURGH, 15222 UNITED STATES
Assignment: 31
Reel/Frame:050023/0687   Pages: 10
Recorded: 08/12/2019
Attorney Dkt #:074023-0884-US-592280
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHTEN, DIRK
Exec Dt:
05/13/2019
2
BUESGEN, THOMAS
Exec Dt:
05/14/2019
3
WEHRMANN, ROLF
Exec Dt:
05/13/2019
4
HEUER, HELMUT WERNER
Exec Dt:
05/13/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11472099
US20190366621
16485224
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 32
Reel/Frame:049608/0526   Pages: 6
Recorded: 06/27/2019
Attorney Dkt #:074023-0874-US-590957
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHTEN, DIRK
Exec Dt:
05/21/2019
2
BUESGEN, THOMAS
Exec Dt:
05/20/2019
3
WEHRMANN, ROLF
Exec Dt:
05/17/2019
4
HEUER, HELMUT WERNER
Exec Dt:
05/17/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10974498
US20190344555
16474152
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 33
Reel/Frame:049821/0035   Pages: 6
Recorded: 07/22/2019
Attorney Dkt #:074023-0882-US-591627
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
05/17/2019
2
HEUER, HELMUT WERNER
Exec Dt:
05/17/2019
3
BOUMANS, ANKE
Exec Dt:
05/20/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11279812
US20210332216
16479778
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 34
Reel/Frame:050605/0391   Pages: 10
Recorded: 10/02/2019
Attorney Dkt #:074023-0875-US-590962
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHTEN, DIRK
Exec Dt:
05/21/2019
2
BUESGEN, THOMAS
Exec Dt:
05/20/2019
3
REICHERT, PETER
Exec Dt:
05/21/2019
4
DEGIORGIO, NICOLAS
Exec Dt:
05/21/2019
5
WEHRMANN, ROLF
Exec Dt:
05/17/2019
6
HEUER, HELMUT WERNER
Exec Dt:
05/17/2019
7
WENZ, ECKHARD
Exec Dt:
07/18/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11267192
US20190344497
16474176
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 35
Reel/Frame:052903/0467   Pages: 3
Recorded: 06/11/2020
Attorney Dkt #:2017P30149WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SEIDEL, ANDREAS
Exec Dt:
01/10/2020
2
HEUER, HELMUT WERNER
Exec Dt:
01/13/2020
3
WEHRMANN, ROLF
Exec Dt:
01/10/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210171767
16771722
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 36
Reel/Frame:054872/0035   Pages: 12
Recorded: 01/11/2021
Attorney Dkt #:074023-0931-US-602670
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEUER, HELMUT WERNER
Exec Dt:
10/05/2020
2
WEHRMANN, ROLF
Exec Dt:
10/05/2020
3
BOUMANS, ANKE
Exec Dt:
10/05/2020
4
BAUER, JOHN
Exec Dt:
08/18/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GEORGIA 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200331247
16957001
Correspondence name and address
FAEGRE DRINKER BIDDLE & REATH LLP (WM)
ATTN: INTELLECTUAL PROPERTY GROUP
ONE LOGAN SQUARE, SUITE 2000
PHILADELPHIA, PA 19103-6996
Assignment: 37
Reel/Frame:055114/0388   Pages: 6
Recorded: 02/02/2021
Attorney Dkt #:074023-0930-US-602636
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
10/05/2020
2
HEUER, HELMUT WERNER
Exec Dt:
10/05/2020
3
BOUMANS, ANKE
Exec Dt:
10/05/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220025134
16956528
Correspondence name and address
FAEGRE DRINKER BIDDLE & REATH LLP (WM)
ATTN: INTELLECTUAL PROPERTY GROUP
ONE LOGAN SQUARE, SUITE 2000
PHILADELPHIA, PA 19103-6996
Assignment: 38
Reel/Frame:055327/0742   Pages: 12
Recorded: 02/19/2021
Attorney Dkt #:074023-0929-US-602640
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
10/05/2020
2
HEUER, HELMUT WERNER
Exec Dt:
10/05/2020
3
BOUMANS, ANKE
Exec Dt:
10/05/2020
4
BAUER, JOHN
Exec Dt:
08/18/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220135754
16956546
Correspondence name and address
FAEGRE DRINKER BIDDLE & REATH LLP (WM)
ATTN: INTELLECTUAL PROPERTY GROUP
ONE LOGAN SQUARE, SUITE 2000
PHILADELPHIA, PA 19103-6996
Assignment: 39
Reel/Frame:056658/0719   Pages: 8
Recorded: 06/24/2021
Attorney Dkt #:074023-US-000021
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEYER, ALEXANDER
Exec Dt:
12/04/2020
2
PFINGST, THOMAS
Exec Dt:
12/08/2020
3
HEUER, HELMUT WERNER
Exec Dt:
12/08/2020
4
HEIJL, JAN
Exec Dt:
12/04/2020
5
BERTIN, ANNABELLE
Exec Dt:
12/14/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220073737
17415958
Correspondence name and address
FAEGRE DRINKER BIDDLE & REATH LLP (WM)
ATTN: INTELLECTUAL PROPERTY GROUP
ONE LOGAN SQUARE, SUITE 2000
PHILADELPHIA, PA 19103-6996
Assignment: 40
Reel/Frame:060148/0944   Pages: 3
Recorded: 06/09/2022
Attorney Dkt #:074023-US-000043
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEIJL, JAN
Exec Dt:
02/02/2022
2
BERTIN, ANNABELLE
Exec Dt:
02/01/2022
3
MEYER, ALEXANDER
Exec Dt:
02/01/2022
4
HEUER, HELMUT WERNER
Exec Dt:
02/01/2022
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230040523
17783790
Correspondence name and address
FAEGRE DRINKER BIDDLE & REATH LLP (WM)
ATTN: INTELLECTUAL PROPERTY GROUP
ONE LOGAN SQURE, SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 41
Reel/Frame:060149/0238   Pages: 3
Recorded: 06/09/2022
Attorney Dkt #:074023-US-000044
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEYER, ALEXANDER
Exec Dt:
02/01/2022
2
HEIJL, JAN
Exec Dt:
02/02/2022
3
HEUER, HELMUT WERNER
Exec Dt:
02/01/2022
4
BERTIN, ANNABELLE
Exec Dt:
02/01/2022
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230026717
17783805
Correspondence name and address
FAEGRE DRINKER BIDDLE & REATH LLP (WM)
ATTN: INTELLECTUAL PROPERTY GROUP
ONE LOGAN SQURE, SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 42
Reel/Frame:060092/0894   Pages: 3
Recorded: 06/03/2022
Attorney Dkt #:2019P30209WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WANDNER, DERK
Exec Dt:
02/04/2022
2
HEUER, HELMUT WERNER
Exec Dt:
02/04/2022
3
LEIPNITZ, SASCHA
Exec Dt:
02/04/2022
4
BISCHOFFS, WERNER
Exec Dt:
02/07/2022
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230021101
17781502
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 43
Reel/Frame:060206/0493   Pages: 6
Recorded: 06/15/2022
Attorney Dkt #:074023-US-000045
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEUER, HELMUT WERNER
Exec Dt:
04/08/2022
2
WEHRMANN, ROLF
Exec Dt:
04/08/2022
3
BOUMANS, ANKE
Exec Dt:
03/29/2022
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230038482
17785471
Correspondence name and address
FAEGRE DRINKER BIDDLE & REATH LLP (WM)
ATTN: INTELLECTUAL PROPERTY GROUP
ONE LOGAN SQURE, SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 44
Reel/Frame:063701/0520   Pages: 3
Recorded: 05/19/2023
Attorney Dkt #:10139-2302777
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
02/10/2023
2
HEUER, HELMUT WERNER
Exec Dt:
01/30/2023
3
BOUMANS, ANKE
Exec Dt:
01/27/2023
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240002658
18037866
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222
Assignment: 45
Reel/Frame:063702/0739   Pages: 3
Recorded: 05/19/2023
Attorney Dkt #:10139-2302779
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEHRMANN, ROLF
Exec Dt:
02/10/2023
2
HEUER, HELMUT WERNER
Exec Dt:
01/30/2023
3
BOUMANS, ANKE
Exec Dt:
01/27/2023
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230416526
18037905
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FT. DUQUESNE BLVD., SUITE 1200
PITTSBURGH, PA 15222

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