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Patent Assignment Assignor Details
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Assignor Name : LUDEWIG, MICHAEL
Total Assignments: 37
Assignment: 1
Reel/Frame:013071/0936   Pages: 2
Recorded: 06/26/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
05/22/2002
2
GURTLER, CHRISTOPH
Exec Dt:
05/22/2002
3
SCHUTZE, DETLEF-INGO
Exec Dt:
05/22/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6642342
US20030027969
10180820
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 2
Reel/Frame:013732/0703   Pages: 3
Recorded: 02/03/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
01/01/2003
2
MATNER, MATHIAS
Exec Dt:
01/07/2003
3
GROTH, STEFAN
Exec Dt:
01/09/2003
4
RUTTMANN, GERHARD
Exec Dt:
01/06/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6762270
US20030153712
10357002
Correspondence name and address
BAYER CORPORATION
JOSEPH C. GIL
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205
Assignment: 3
Reel/Frame:017069/0636   Pages: 2
Recorded: 10/04/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
01/09/2005
2
WEIKARD, JAN
Exec Dt:
05/09/2005
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9255067
US20060079660
11243126
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 4
Reel/Frame:017309/0862   Pages: 3
Recorded: 12/13/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WINTERMANTEL, MATTHIAS
Exec Dt:
11/11/2005
2
MECKEL, WALTER
Exec Dt:
11/18/2005
3
LUDEWIG, MICHAEL
Exec Dt:
11/14/2005
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7635743
US20060142532
11301779
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:017660/0728   Pages: 3
Recorded: 03/07/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
01/05/2006
2
WEIKARD, JAN
Exec Dt:
01/12/2006
3
STOCKEL, NICOLAS
Exec Dt:
01/05/2006
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060205911
11369483
Correspondence name and address
THOMAS W. ROY, BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 6
Reel/Frame:018249/0328   Pages: 2
Recorded: 08/30/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
07/27/2006
2
MATNER, MATHIAS
Exec Dt:
08/01/2006
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7812087
US20070055010
11513000
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 7
Reel/Frame:018235/0660   Pages: 3
Recorded: 08/30/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
08/04/2006
2
MATNER, MATHIAS
Exec Dt:
08/08/2006
3
KOBELKA, FRANK
Exec Dt:
08/08/2006
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8067522
US20070055035
11512487
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 8
Reel/Frame:019428/0989   Pages: 3
Recorded: 06/11/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
05/11/2007
2
WEIKARD, JAN
Exec Dt:
05/15/2007
3
STOECKEL, NICOLAS
Exec Dt:
05/29/2007
4
FISCHER, WOLFGANG
Exec Dt:
05/15/2007
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7700662
US20070232751
11731592
Correspondence name and address
BAYER MATERIAL SCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 9
Reel/Frame:020603/0610   Pages: 4
Recorded: 03/05/2008
Attorney Dkt #:14069-00205-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT
Exec Dt:
01/10/2008
2
BAUER, ERIKA
Exec Dt:
01/10/2008
3
LUDEWIG, MICHAEL
Exec Dt:
01/11/2008
4
SCHAUB, MATTHIAS
Exec Dt:
01/29/2008
5
NEHREN, KLAUS-DIETER
Exec Dt:
01/30/2008
6
FRECKMANN, MICHAEL
Exec Dt:
01/30/2008
7
URBAS, HOLGER
Exec Dt:
01/30/2008
Assignees
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
2
HERAEUS KULZER GMBH
GRUENER WEG 11
HANAU, GERMANY 63450
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080146695
11986146
Correspondence name and address
EAMONN P. MORRISON
THE NEMOURS BUILDING
1007 NORTH ORANGE STREET, P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 10
Reel/Frame:021210/0475   Pages: 3
Recorded: 07/09/2008
Attorney Dkt #:15778-00130-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
06/17/2008
2
KOEHLER, BURKHARD
Exec Dt:
06/27/2008
3
HERTRAMPF, REINHARD
Exec Dt:
06/15/2008
4
WAMPRECHT, CHRISTIAN
Exec Dt:
06/17/2008
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080287611
12120852
Correspondence name and address
EAMONN P. MORRISON
THE NEMOURS BUILDING
1007 NORTH ORANGE STREET, P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 11
Reel/Frame:021213/0022   Pages: 2
Recorded: 07/09/2008
Attorney Dkt #:15778-00133-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
06/23/2008
2
MATNER, MATHIAS
Exec Dt:
06/27/2008
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080293908
12121854
Correspondence name and address
EAMONN P. MORRISON
THE NEMOURS BUILDING
1007 NORTH ORANGE STREET, P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 12
Reel/Frame:042989/0294   Pages: 2
Recorded: 07/12/2017
Attorney Dkt #:BMS071043US01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
06/23/2008
2
MATNER, MATHIAS
Exec Dt:
06/27/2008
Assignee
1
BAYER MATERIALSCIENCE AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8431674
US20110130512
13023924
Correspondence name and address
DONALD R. PALLADINO
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 13
Reel/Frame:021474/0645   Pages: 4
Recorded: 09/03/2008
Attorney Dkt #:15778-94(BMS 07 1 092)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAGER, MICHAEL
Exec Dt:
07/31/2008
2
LUDEWIG, MICHAEL
Exec Dt:
08/04/2008
3
MATNER, MATHIAS
Exec Dt:
08/07/2008
4
DIETZE, MELITA
Exec Dt:
08/19/2008
5
FUGMANN, BURKHARD
Exec Dt:
08/19/2008
Assignees
1
BAYER MATERIALSCIENCE AG
LEVERKUSEN, GERMANY 51368
2
BAYER INNOVATION GMBH
MEROWINGERPLATZ 1
DUSSELDORF, GERMANY 40225
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9168324
US20090018480
12169842
Correspondence name and address
AARON R. ETTELMAN
CONNOLLY BOVE LODGE & HUTZ LLP
1007 NORTH ORANGE STREET
P.O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 14
Reel/Frame:021797/0700   Pages: 2
Recorded: 11/06/2008
Attorney Dkt #:14069-00216-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
10/23/2008
2
FISCHER, WOLFGANG
Exec Dt:
10/28/2008
3
KUCZEWSKI, HELMUT
Exec Dt:
10/28/2008
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7754811
US20090062468
12193270
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ, LLP
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 15
Reel/Frame:021826/0499   Pages: 3
Recorded: 11/10/2008
Attorney Dkt #:P09107/BMS071116
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
10/23/2008
2
FISCHER, WOLFGANG
Exec Dt:
10/28/2008
3
KUCZEWSKI, HELMUT
Exec Dt:
10/28/2008
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8106140
US20090062500
12229116
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 16
Reel/Frame:022174/0367   Pages: 3
Recorded: 01/26/2009
Attorney Dkt #:P09106/BMX071108
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
10/23/2008
2
FISCHER, WOLFGANG
Exec Dt:
10/28/2008
3
KUCZEWSKI, HELMUT
Exec Dt:
10/28/2008
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8071659
US20090137750
12229185
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 17
Reel/Frame:022946/0721   Pages: 4
Recorded: 07/13/2009
Attorney Dkt #:100727-154 WCG
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT
Exec Dt:
06/10/2009
2
BAUER, ERICA
Exec Dt:
06/10/2009
3
LUDEWIG, MICHAEL
Exec Dt:
06/19/2009
4
SCHAUB, MATTHIAS
Exec Dt:
06/29/2009
5
NEHREN, KLAUS-DIETER
Exec Dt:
07/06/2009
6
FRECKMANN, MICHAEL
Exec Dt:
07/06/2009
7
URBAS, HOLGER
Exec Dt:
07/06/2009
Assignee
1
HERAEUS KULZER GMBH
GRUNER WEG 11
63450 HANAU, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100022739
12515775
Correspondence name and address
NORRIS, MCLAUGHLIN & MARCUS, P.A.
875 THIRD AVE
18TH FLOOR
NEW YORK, NY 10022
Assignment: 18
Reel/Frame:024222/0535   Pages: 2
Recorded: 04/13/2010
Attorney Dkt #:15778-00250-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
03/22/2010
2
FISCHER, WOLFGANG
Exec Dt:
03/24/2010
3
KUCZEWSKI, HELMUT
Exec Dt:
03/24/2010
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8853295
US20100204434
12704749
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: 19
Reel/Frame:027891/0510   Pages: 4
Recorded: 03/20/2012
Attorney Dkt #:14069-00374
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MATNER, MATHIAS
Exec Dt:
02/07/2012
2
LORENZ, KLAUS
Exec Dt:
02/21/2012
3
HOFMANN, JOERG
Exec Dt:
02/21/2012
4
LUDEWIG, MICHAEL
Exec Dt:
02/08/2012
5
SCHMIDT, AXEL
Exec Dt:
03/06/2012
6
KOBELKA, FRANK
Exec Dt:
02/14/2012
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120175563
13395936
Correspondence name and address
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 20
Reel/Frame:029159/0508   Pages: 4
Recorded: 10/19/2012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRUDER, FRIEDRICH KARL
Exec Dt:
07/05/2012
2
HAESE, WILFRIED
Exec Dt:
08/03/2012
3
OSER, RAFAEL
Exec Dt:
07/30/2012
4
FISCHER, WOLFGANG
Exec Dt:
08/07/2012
5
LUDEWIG, MICHAEL
Exec Dt:
08/21/2012
6
WONG, RAYMOND
Exec Dt:
07/04/2012
7
ZHANG, ICE
Exec Dt:
07/10/2012
Assignee
1
BAYER MATERIAL SCIENCE AG
LAW AND PATENTS
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8778476
US20130029081
13575780
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ LLP
1007 NORTH ORANGE STREET
WILMINGTON, DE 19801
Assignment: 21
Reel/Frame:030509/0540   Pages: 4
Recorded: 05/30/2013
Attorney Dkt #:14069-00424-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOMMER, STEFAN
Exec Dt:
02/14/2013
2
LUDEWIG, MICHAEL
Exec Dt:
02/12/2013
3
FISCHER, WOLFGANG
Exec Dt:
02/14/2013
4
YUVA, NUSRET
Exec Dt:
02/14/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9631117
US20130095330
13651581
Correspondence name and address
NOVAK DRUCE CONNOLLY BOVE + QUIGG LLP
1007 NORTH ORANGE STREET
WILMINGTON, DE 19801
Assignment: 22
Reel/Frame:032592/0321   Pages: 3
Recorded: 04/03/2014
Attorney Dkt #:34250-00052
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
02/12/2013
2
SOMMER, STEFAN
Exec Dt:
02/14/2013
3
FISCHER, WOLFGANG
Exec Dt:
02/14/2013
4
YUVA, NUSRET
Exec Dt:
02/14/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8932722
US20130095331
13651748
Correspondence name and address
GEOFFREY A. ZELLEY
1007 NORTH ORANGE STREET
WILMINGTON, DE 19801
Assignment: 23
Reel/Frame:033462/0383   Pages: 8
Recorded: 08/05/2014
Attorney Dkt #:34250-0050-286895
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SOMMER, STEFAN
Exec Dt:
02/13/2014
2
LUDEWIG, MICHAEL
Exec Dt:
02/20/2014
3
FISCHER, WOLFGANG
Exec Dt:
02/13/2014
4
WEIKARD, JAN
Exec Dt:
02/14/2014
5
LIPPEMEIER, JÜRGEN
Exec Dt:
02/20/2014
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
---
MONHEIM, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9057003
US20130096255
13651573
Correspondence name and address
DRINKER BIDDLE & REATH LLP
222 DELAWARE AVENUE, STE. 1410
STE. 1410
WILMINGTON, DE 19801
Assignment: 24
Reel/Frame:037766/0595   Pages: 3
Recorded: 02/18/2016
Attorney Dkt #:074065-0053-01-US-531503
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
02/08/2016
2
WEIKARD, JAN
Exec Dt:
02/09/2016
Assignee
1
ALLNEX IP S.AR.L.
76, GRAND-RUE
LUXEMBOURG, LUXEMBOURG L-1660
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9988485
US20160122463
14757650
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 25
Reel/Frame:041245/0460   Pages: 3
Recorded: 02/14/2017
Attorney Dkt #:BMS151153PCTUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
11/25/2016
2
ALMATO GUITERAS, MARIA
Exec Dt:
11/22/2016
3
NAZARAN, PANTEA
Exec Dt:
11/22/2016
4
TEDJADA ROSALES, EVA
Exec Dt:
11/24/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10640604
US20170166685
15370066
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 26
Reel/Frame:045119/0085   Pages: 7
Recorded: 03/06/2018
Attorney Dkt #:COV161105US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHTEN, DIRK
Exec Dt:
12/21/2017
2
BÜSGEN, THOMAS
Exec Dt:
03/05/2018
3
TILLACK, JÖRG
Exec Dt:
03/05/2018
4
LUDEWIG, MICHAEL
Exec Dt:
01/24/2018
5
TOMCZYK, CHRISTOPH
Exec Dt:
01/10/2018
6
WAGNER, ROLAND
Exec Dt:
01/10/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10449714
US20180133953
15812116
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 27
Reel/Frame:045236/0983   Pages: 3
Recorded: 03/15/2018
Attorney Dkt #:074023-0777-US-574731
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
02/19/2018
2
PETZOLDT, JOACHIM
Exec Dt:
02/20/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180273797
15760422
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 28
Reel/Frame:049607/0895   Pages: 3
Recorded: 06/27/2019
Attorney Dkt #:2016P30107WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LUDEWIG, MICHAEL
Exec Dt:
04/25/2019
2
SOMMER, STEFAN
Exec Dt:
04/16/2019
3
BREUER, HOLGER
Exec Dt:
04/18/2019
4
GRAHL, MICHAEL
Exec Dt:
04/16/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11059934
US20200071449
16468507
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 29
Reel/Frame:062700/0621   Pages: 5
Recorded: 02/15/2023
Attorney Dkt #:2016P30102WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHTEN, DIRK
Exec Dt:
05/10/2019
2
BÜSGEN, THOMAS
Exec Dt:
05/09/2019
3
LUDEWIG, MICHAEL
Exec Dt:
05/11/2019
4
WAGNER, ROLAND
Exec Dt:
05/09/2019
5
TOMCZYK, CHRISTOPH
Exec Dt:
05/09/2019
6
TILLACK, JÖRG
Exec Dt:
05/10/2019
7
GUEDOU, ARNAUD
Exec Dt:
05/14/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11643479
US20190275732
16463528
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 30
Reel/Frame:049952/0164   Pages: 4
Recorded: 08/04/2019
Attorney Dkt #:074023-0853-US-589288
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
TILLACK, JOERG
Exec Dt:
05/21/2019
4
LUDEWIG, MICHAEL
Exec Dt:
05/27/2019
5
TOMCZYK, CHRISTOPH
Exec Dt:
05/20/2019
6
WAGNER, ROLAND
Exec Dt:
05/20/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11590692
US20190337224
16349470
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 31
Reel/Frame:050131/0181   Pages: 17
Recorded: 08/22/2019
Attorney Dkt #:074023-0855-US-589177
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEINZ, PAUL
Exec Dt:
07/08/2019
2
MEISENHEIMER, RICHARD
Exec Dt:
07/05/2019
3
TILLACK, JOERG
Exec Dt:
05/22/2019
4
ACHTEN, DIRK
Exec Dt:
05/22/2019
5
BUESGEN, THOMAS
Exec Dt:
06/03/2019
6
LUDEWIG, MICHAEL
Exec Dt:
05/27/2019
7
TOMCZYK, CHRISTOPH
Exec Dt:
05/22/2019
8
WAGNER, ROLAND
Exec Dt:
07/05/2019
9
KAYSER, ALISA
Exec Dt:
05/24/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11613072
US20190367665
16349358
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 32
Reel/Frame:051234/0567   Pages: 9
Recorded: 12/10/2019
Attorney Dkt #:2016P30151WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHTEN, DIRK
Exec Dt:
10/28/2019
2
BUESGEN, THOMAS
Exec Dt:
09/25/2019
3
EGGERT, CHRISTOPH
Exec Dt:
09/10/2019
4
LAAS, HANS-JOSEF
Exec Dt:
09/19/2019
5
STEMPFLE, FLORIAN
Exec Dt:
09/26/2019
6
LUDEWIG, MICHAEL
Exec Dt:
09/27/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200198226
16621060
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 33
Reel/Frame:052389/0275   Pages: 7
Recorded: 04/14/2020
Attorney Dkt #:2017P30060WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHTEN, DIRK
Exec Dt:
10/15/2019
2
BUESGEN, THOMAS
Exec Dt:
10/22/2019
3
TOMCZYK, CHRISTOPH
Exec Dt:
11/15/2019
4
LUDEWIG, MICHAEL
Exec Dt:
10/22/2019
5
FAECKE, THOMAS
Exec Dt:
10/15/2019
6
WAGNER, ROLAND
Exec Dt:
10/15/2019
7
STEMPFLE, FLORIAN
Exec Dt:
01/23/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200140707
16621761
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 34
Reel/Frame:052558/0430   Pages: 8
Recorded: 05/04/2020
Attorney Dkt #:2017P30107WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ACHTEN, DIRK
Exec Dt:
01/28/2020
2
BUESGEN, THOMAS
Exec Dt:
01/30/2020
3
WAGNER, ROLAND
Exec Dt:
01/28/2020
4
STEMPFLE, FLORIAN
Exec Dt:
01/28/2020
5
LUDEWIG, MICHAEL
Exec Dt:
02/06/2020
6
TOMCZYK, CHRISTOPH
Exec Dt:
01/30/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11007711
US20210046696
16761287
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 35
Reel/Frame:052838/0161   Pages: 11
Recorded: 06/04/2020
Attorney Dkt #:2017P30146WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BUECHNER, JOERG
Exec Dt:
04/09/2020
2
LUDEWIG, MICHAEL
Exec Dt:
04/08/2020
3
AVTOMONOV, EVGENY
Exec Dt:
04/09/2020
4
MELCHIORS, MARTIN
Exec Dt:
05/18/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10882942
US20200385508
16769756
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 36
Reel/Frame:057502/0635   Pages: 12
Recorded: 09/16/2021
Attorney Dkt #:074023-0854-US-589213
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEINZ, PAUL
Exec Dt:
08/19/2021
2
MEISENHEIMER, RICHARD
Exec Dt:
08/27/2021
3
TILLACK, JOENG
Exec Dt:
08/19/2021
4
ACHTEN, DIRK
Exec Dt:
08/19/2021
5
BUESGEN, THOMAS
Exec Dt:
08/19/2021
6
LUDEWIG, MICHAEL
Exec Dt:
08/23/2021
7
TOMCZYK, CHRISTOPH
Exec Dt:
08/30/2021
8
WAGNER, ROLAND
Exec Dt:
08/19/2021
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 513173
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200190245
16349322
Correspondence name and address
FAEGRE DRINKER BIDDLE REATH LLP
222 DELAWARE AVE SUITE SUITE 1410
WILMINGTON, DE 19801
Assignment: 37
Reel/Frame:057503/0769   Pages: 12
Recorded: 09/16/2021
Attorney Dkt #:074023-0856-US-589185
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
TILLACK, JOERG
Exec Dt:
09/08/2021
2
ACHTEN, DIRK
Exec Dt:
09/08/2021
3
HEINZ, PAUL
Exec Dt:
09/08/2021
4
MEISENHEIMER, RICHARD
Exec Dt:
09/08/2021
5
BUESGEN, THOMAS
Exec Dt:
09/08/2021
6
LUDEWIG, MICHAEL
Exec Dt:
09/08/2021
7
TOMCZYK, CHRISTOPH
Exec Dt:
09/08/2021
8
WAGNER, ROLAND
Exec Dt:
09/08/2021
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190367666
16349373
Correspondence name and address
FAEGRE DRINKER BIDDLE REATH LLP
222 DELAWARE AVE SUITE SUITE 1410
WILMINGTON, DE 19801

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