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Patent Assignment Assignor Details
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Assignor Name : KLESCZEWSKI, BERT
Total Assignments: 33
Assignment: 1
Reel/Frame:012315/0666   Pages: 2
Recorded: 10/18/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLESCZEWSKI, BERT
Exec Dt:
08/02/2001
2
HOFMANN, JORG
Exec Dt:
08/14/2001
3
GUPTA, PRAMOD
Exec Dt:
08/21/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONZERNBEREICH RP
PATENT UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6444720
NONE
09959253
Correspondence name and address
BAYER CORPORATION
LYNDANNE M. WHALEN
100 BAYER RD., PATENT DEPT.
PITTSBURGH, PA 15205-9741
Assignment: 2
Reel/Frame:012969/0552   Pages: 4
Recorded: 06/05/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFMANN, JOERG
Exec Dt:
04/12/2002
2
EHLERS, STEPHAN
Exec Dt:
04/08/2002
3
KLINKSIEK, BERND
Exec Dt:
03/27/2002
4
KLESCZEWSKI, BERT
Exec Dt:
04/02/2002
5
STEINLEIN, CHRISTIAN
Exec Dt:
04/08/2002
6
OBENDORF, LARS
Exec Dt:
03/27/2002
7
PIELARTZIK, HARALD
Exec Dt:
04/15/2002
8
PAZOS, JOSE F.
Exec Dt:
05/02/2002
Assignees
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
2
BAYER CORPORATION
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PENNSYLVANIA 15205-9741
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6670406
US20020198278
10077855
Correspondence name and address
BAYER CORP.
CAROLYN M. SLOANE
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 3
Reel/Frame:012969/0562   Pages: 4
Recorded: 06/05/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFMANN, JOERG
Exec Dt:
04/02/2002
2
EHLERS, STEPHAN
Exec Dt:
04/08/2002
3
KLINKSIEK, BERND
Exec Dt:
04/27/2002
4
OBENDORF, LARS
Exec Dt:
04/08/2002
5
STEINLEIN, CHRISTIAN
Exec Dt:
04/02/2002
6
KLESCZEWSKI, BERT
Exec Dt:
04/02/2002
7
PAZOS, JOSE F.
Exec Dt:
04/23/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6776925
US20020169229
10078951
Correspondence name and address
BAYER CORP.
CAROLYN M. SLOANE
PATENT DEPT.
100 BAYER ROAD
PITTSBURG, PA 15205-9741
Assignment: 4
Reel/Frame:018035/0746   Pages: 3
Recorded: 07/03/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT
Exec Dt:
04/24/2006
2
KLESCZEWSKI, BERT
Exec Dt:
04/24/2006
3
PISCHEDDA, EVA
Exec Dt:
04/26/2006
4
OTTEN, MANDUELA
Exec Dt:
04/26/2006
Assignee
1
BAYER MATERIALSCIENCE AG
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070010593
11480594
Correspondence name and address
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:019418/0627   Pages: 3
Recorded: 06/07/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LOVENICH, CATHERINE J.
Exec Dt:
11/19/2006
2
HETTEL, HANS
Exec Dt:
11/23/2006
3
KLESCZEWSKI, BERT
Exec Dt:
11/27/2006
4
FUSSANGEL, CHRISTEL
Exec Dt:
11/30/2006
Assignee
1
BAYER MATERIALSCIENCE AG
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070238796
11583492
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Assignment: 6
Reel/Frame:019045/0746   Pages: 3
Recorded: 03/19/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFFMANN, ANDREAS
Exec Dt:
02/19/2007
2
EBERT, HEINZ-DIETER
Exec Dt:
02/19/2007
3
KLESCZEWSKI, BERT
Exec Dt:
02/22/2007
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8715778
US20070172590
11654242
Correspondence name and address
N. DENISE BROWN
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 7
Reel/Frame:020380/0875   Pages: 3
Recorded: 12/18/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAAS, PETER
Exec Dt:
11/19/2007
2
KLESCZEWSKI, BERT
Exec Dt:
11/20/2007
3
MEYER-AHRENS, SVEN
Exec Dt:
11/21/2007
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080167394
12002603
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 8
Reel/Frame:020755/0641   Pages: 3
Recorded: 03/31/2008
Attorney Dkt #:PO9062/BMS071001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLESCZEWSKI, BERT
Exec Dt:
03/07/2008
2
OTTEN, MANDUELA
Exec Dt:
03/10/2008
3
DOHMEN, BERND
Exec Dt:
03/07/2008
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080207791
12070614
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 9
Reel/Frame:023133/0923   Pages: 2
Recorded: 08/24/2009
Attorney Dkt #:16352-00003-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLESCZEWSKI, BERT
Exec Dt:
06/02/2009
2
TRIOULEYRE, SEBASTIEN
Exec Dt:
06/15/2009
3
GOSSNER, MATTHAUS
Exec Dt:
06/03/2009
4
MEYER-AHRENS, SVEN
Exec Dt:
06/02/2009
5
MOSBACH-ROSENBERGER, ALICE
Exec Dt:
06/02/2009
Assignee
1
BAYER MATERIALSCIENCE AG
PATENT & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8183302
US20090264547
12390629
Correspondence name and address
EAMONN P. MORRISON
CONNOLLY BOVE LODGE & HUTZ LLP
1007 NORTH ORANGE STREET
P.O. BOX 2207
WILMINGTON, DELAWARE 19899-2207
Assignment: 10
Reel/Frame:024936/0277   Pages: 2
Recorded: 09/02/2010
Attorney Dkt #:15778-00262-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOSSNER, MATTHAUS
Exec Dt:
03/16/2010
2
HAAS, PETER
Exec Dt:
03/09/2010
3
MEYER-AHRENS, SVEN
Exec Dt:
03/16/2010
4
KLESCZEWSKI, BERT
Exec Dt:
03/16/2010
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100305228
12784913
Correspondence name and address
EAMONN P. MORRISON
CONNOLLY BOVE LODGE & HUTZ LLP
1007 NORTH ORANGE STREET
P.O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 11
Reel/Frame:024467/0565   Pages: 4
Recorded: 06/02/2010
Attorney Dkt #:BMS091193
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLESCZEWSKI, BERT
Exec Dt:
05/03/2010
2
HOFMANN, JORG
Exec Dt:
05/11/2010
3
LORENZ, KLAUS
Exec Dt:
05/10/2010
4
REESE, JACK R.
Exec Dt:
05/25/2010
5
PAZOS, JOSE
Exec Dt:
03/23/2010
Assignees
1
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
2
BAYER MATERIALSCIENCE AG
51368
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110230581
12725631
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 12
Reel/Frame:028842/0004   Pages: 6
Recorded: 08/24/2012
Attorney Dkt #:BMS091193
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLESCZEWSKI, BERT
Exec Dt:
05/03/2010
2
HOFMANN, JORG
Exec Dt:
05/11/2011
3
LORENZ, KLAUS
Exec Dt:
05/10/2010
4
REESE, JACK R.
Exec Dt:
05/25/2010
5
PAZOS, JOSE F.
Exec Dt:
03/23/2010
Assignees
1
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
2
BAYER MATERIALSCIENCE AG
51368
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110230581
12725631
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 13
Reel/Frame:027292/0440   Pages: 2
Recorded: 11/29/2011
Attorney Dkt #:14069-00343
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT
Exec Dt:
10/07/2011
2
BAUER, ERIKA
Exec Dt:
11/09/2011
3
HOFMANN, JOERG
Exec Dt:
10/20/2011
4
LORENZ, KLAUS
Exec Dt:
10/20/2011
5
KLESCZEWSKI, BERT
Exec Dt:
10/12/2011
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9193822
US20120116114
13318157
Correspondence name and address
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 14
Reel/Frame:027821/0430   Pages: 2
Recorded: 03/07/2012
Attorney Dkt #:15778-00412
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLESCZEWSKI, BERT
Exec Dt:
10/29/2011
2
OTTEN, MANDUELA
Exec Dt:
10/25/2011
3
MEYER-AHRENS, SVEN
Exec Dt:
11/03/2011
Assignee
1
BAYER MATERIALSCIENCE AG
-----
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120108690
13382776
Correspondence name and address
EAMONN P. MORRISON
1007 N. ORANGE STREET
WILMINGTON, DE 19801
Assignment: 15
Reel/Frame:027583/0670   Pages: 4
Recorded: 01/24/2012
Attorney Dkt #:15778-00411
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT
Exec Dt:
11/24/2011
2
HOFMANN, JOERG
Exec Dt:
12/05/2011
3
KLESCZEWSKI, BERT
Exec Dt:
11/29/2011
4
BAUER, ERIKA
Exec Dt:
01/03/2012
5
LORENZ, KLAUS
Exec Dt:
12/05/2011
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9139685
US20120123008
13381139
Correspondence name and address
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 16
Reel/Frame:030641/0072   Pages: 4
Recorded: 06/19/2013
Attorney Dkt #:14069-00485-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT
Exec Dt:
05/13/2013
2
HOFMANN, JOERG
Exec Dt:
05/23/2013
3
BAUER, ERIKA
Exec Dt:
06/04/2013
4
KLESCZEWSKI, BERT
Exec Dt:
05/15/2013
5
LORENZ, KLAUS
Exec Dt:
05/23/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9328196
US20130261205
13988606
Correspondence name and address
CLAUDIA SCHULTZE
P O BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 17
Reel/Frame:031025/0309   Pages: 4
Recorded: 08/16/2013
Attorney Dkt #:BMS101218
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LORENZ, KLAUS
Exec Dt:
05/14/2013
2
HOFMANN, JORG
Exec Dt:
05/14/2013
3
KLESCZEWSKI, BERT
Exec Dt:
05/17/2013
4
HAHN, NORBERT
Exec Dt:
05/16/2013
Assignee
1
BAYER MATERIALSCIENCE AG
D-51368 LEVERKUSEN
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140329985
13994859
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 18
Reel/Frame:031461/0131   Pages: 4
Recorded: 10/23/2013
Attorney Dkt #:15778-00470-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JACOBS, GUNDOLF
Exec Dt:
10/07/2013
2
MEYER-AHRENS, SVEN
Exec Dt:
10/04/2013
3
KLESCZEWSKI, BERT
Exec Dt:
10/04/2013
4
SCHULZ, ANGELIKA
Exec Dt:
10/04/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140066535
14007442
Correspondence name and address
CLAUDIA SCHULTZE
P O BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 19
Reel/Frame:031684/0077   Pages: 4
Recorded: 11/27/2013
Attorney Dkt #:14069-00503-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFMANN, JOERG
Exec Dt:
11/13/2013
2
KLESCZEWSKI, BERT
Exec Dt:
11/11/2013
3
SCHNEIDER, MICHAEL
Exec Dt:
11/12/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140107245
14122723
Correspondence name and address
CLAUDIA SCHULTZE
P O BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 20
Reel/Frame:034131/0469   Pages: 3
Recorded: 11/08/2014
Attorney Dkt #:074023-0576-US-519243
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEYER-AHRENS, SVEN
Exec Dt:
08/28/2014
2
LINDNER, STEFAN
Exec Dt:
08/28/2014
3
KLESCZEWSKI, BERT
Exec Dt:
08/28/2014
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150141542
14399597
Correspondence name and address
DRINKER BIDDLE & REATH/L. STANTON
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 21
Reel/Frame:036830/0199   Pages: 3
Recorded: 10/20/2015
Attorney Dkt #:074023-0611-US-525309
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT
Exec Dt:
04/02/2015
2
KLESCZEWSKI, BERT
Exec Dt:
04/09/2015
3
MEYER-AHRENS, SVEN
Exec Dt:
04/21/2015
4
KNAUP, HARALD
Exec Dt:
04/16/2015
Assignee
1
BAYER MATERIALSCIENCE AG
ALFRED-NOBEL-STR. 10
MONHEIM AM RHEIN, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150299373
14437870
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 22
Reel/Frame:038582/0624   Pages: 8
Recorded: 05/13/2016
Attorney Dkt #:074023-0679-US-542573
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFMANN, JOERG
Exec Dt:
02/09/2016
2
LAEMMERHOLD, KAI
Exec Dt:
02/12/2016
3
NEFZGER, HARTMUT
Exec Dt:
02/10/2016
4
HEINZ, MONIKA
Exec Dt:
02/10/2016
5
KLESCZEWSKI, BERT
Exec Dt:
02/10/2016
6
LORENZ, KLAUS
Exec Dt:
02/10/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9714216
US20160264519
15036486
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 23
Reel/Frame:039847/0252   Pages: 10
Recorded: 09/23/2016
Attorney Dkt #:160365PCTUS/BMS131077PCTU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFMANN, JÖRG
Exec Dt:
06/20/2016
2
HEINZ, MONIKA
Exec Dt:
06/23/2016
3
NEFZGER, HARTMUT
Exec Dt:
06/22/2016
4
LAEMMERHOLD, KAI
Exec Dt:
06/18/2016
5
KLESCZEWSKI, BERT
Exec Dt:
06/24/2016
6
MÜLLER, THOMAS ERNST
Exec Dt:
06/30/2016
7
WOLF, AUREL
Exec Dt:
06/28/2016
8
LANGANKE, JENS
Exec Dt:
07/13/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9957352
US20160319070
15104480
Correspondence name and address
K&L GATES LLP - WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 24
Reel/Frame:040340/0014   Pages: 3
Recorded: 11/16/2016
Attorney Dkt #:074023-0730-US-548096
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLESCZEWSKI, BERT
Exec Dt:
10/05/2016
2
LAEMMERHOLD, KAI
Exec Dt:
10/11/2016
3
HOFMANN, JOERG
Exec Dt:
10/18/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10233298
US20170044341
15306182
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 25
Reel/Frame:040811/0289   Pages: 6
Recorded: 12/30/2016
Attorney Dkt #:160299PCTUSDIV/BMS101252U
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JACOBS, GUNDOLF
Exec Dt:
11/28/2016
2
MEYER-AHRENS, SVEN
Exec Dt:
11/24/2016
3
KLESCZEWSKI, BERT
Exec Dt:
11/28/2016
4
SCHULZ, ANGELIKA
Exec Dt:
11/28/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20160257776
15155759
Correspondence name and address
K&L GATES LLP - WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222
Assignment: 26
Reel/Frame:043098/0438   Pages: 6
Recorded: 07/26/2017
Attorney Dkt #:BMS141100US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLESCZEWSKI, BERT
Exec Dt:
06/22/2017
2
RAUWALD, URS
Exec Dt:
07/05/2017
3
HOFMANN, JÖRG
Exec Dt:
06/20/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180265623
15546332
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 27
Reel/Frame:043723/0291   Pages: 3
Recorded: 09/28/2017
Attorney Dkt #:BMS151021US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLESCZEWSKI, BERT
Exec Dt:
07/14/2017
2
RAUWALD, URS
Exec Dt:
08/17/2017
3
HOFMANN, JÖRG
Exec Dt:
08/24/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180044464
15552841
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 28
Reel/Frame:044536/0141   Pages: 5
Recorded: 01/04/2018
Attorney Dkt #:BMS151030PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFMANN, JÖRG
Exec Dt:
11/10/2017
2
RAUWALD, URS
Exec Dt:
11/21/2017
3
KLESCZEWSKI, BERT
Exec Dt:
11/14/2017
4
NEFZGER, HARTMUT
Exec Dt:
11/10/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10487175
US20180312632
15573875
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 29
Reel/Frame:045011/0854   Pages: 9
Recorded: 01/05/2018
Attorney Dkt #:BMS151079PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RAUWALD, URS
Exec Dt:
11/22/2017
2
HOFMANN, JÖRG
Exec Dt:
11/13/2017
3
KLESCZEWSKI, BERT
Exec Dt:
11/24/2017
4
NEFZGER, HARTMUT
Exec Dt:
11/10/2017
5
WOLF, AUREL
Exec Dt:
11/13/2017
6
LANGANKE, JENS
Exec Dt:
11/13/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10519276
US20180291149
15573996
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 30
Reel/Frame:046073/0961   Pages: 6
Recorded: 06/13/2018
Attorney Dkt #:BMS151034PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLESCZEWSKI, BERT
Exec Dt:
04/27/2018
2
BROWNE, EDWARD
Exec Dt:
05/07/2018
3
GRUNERT, STEPHANIE
Exec Dt:
04/27/2018
4
VON CHAMIER, MANDY
Exec Dt:
05/23/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180223030
15749597
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 31
Reel/Frame:045818/0958   Pages: 3
Recorded: 05/16/2018
Attorney Dkt #:BMS151150PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GOSSNER, MATTHÄUS
Exec Dt:
05/15/2018
2
BRASSAT, LUTZ
Exec Dt:
05/15/2018
3
KLESCZEWSKI, BERT
Exec Dt:
05/15/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180327537
15776513
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 32
Reel/Frame:046838/0927   Pages: 8
Recorded: 09/11/2018
Attorney Dkt #:BMS151169PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLESCZEWSKI, BERT
Exec Dt:
08/06/2018
2
HOFMANN, JÖRG
Exec Dt:
08/03/2018
3
NEFZGER, HARTMUT
Exec Dt:
08/03/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200407500
16084001
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 33
Reel/Frame:046659/0117   Pages: 10
Recorded: 08/22/2018
Attorney Dkt #:BMS151162PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLESCZEWSKI, BERT
Exec Dt:
08/13/2018
2
HOFMANN, JÖRG
Exec Dt:
07/17/2018
3
MALSCH, KARSTEN
Exec Dt:
07/09/2018
4
WELSCH, NICOLE
Exec Dt:
07/20/2018
5
LORENZ, KLAUS
Exec Dt:
07/17/2018
6
NEFZGER, HARTMUT
Exec Dt:
07/19/2018
7
LAEMMERHOLD, KAI
Exec Dt:
07/17/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11345775
US20180273674
15781941
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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