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Patent Assignment Assignor Details
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Assignor Name : WOHAK, MATTHIAS
Total Assignments: 8
Assignment: 1
Reel/Frame:012403/0020   Pages: 2
Recorded: 12/17/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BRAUN, ARNE
Exec Dt:
09/21/2001
2
BROCKELT, MICHAEL
Exec Dt:
09/24/2001
3
DIETRICH, MANFRED
Exec Dt:
10/10/2001
4
KLOCKE, HANS-JURGEN
Exec Dt:
09/24/2001
5
WOHAK, MATTHIAS
Exec Dt:
10/01/2001
6
KLILNGLER, UWE
Exec Dt:
10/02/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20020077452
10023173
Correspondence name and address
BAYER CORPORATION
N. DENISE BROWN
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 2
Reel/Frame:032227/0683   Pages: 5
Recorded: 02/17/2014
Attorney Dkt #:14069-00508-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MUELLER, THOMAS ERNST
Exec Dt:
12/16/2013
2
GUERTLER, CHRISTOPH
Exec Dt:
12/20/2013
3
WOHAK, MATTHIAS
Exec Dt:
01/06/2014
4
HOFMANN, JOERG
Exec Dt:
01/06/2014
5
SUBHANI, MUHAMMAD AFZAL
Exec Dt:
12/16/2013
6
COSEMANS, MAURICE
Exec Dt:
12/22/2013
7
LEITNER, WALTER
Exec Dt:
12/16/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9249259
US20140228537
14232015
Correspondence name and address
CLAUDIA SCHULTZE
P O BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 3
Reel/Frame:032278/0434   Pages: 4
Recorded: 02/24/2014
Attorney Dkt #:14069-00509-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MUELLER, THOMAS ERNST
Exec Dt:
01/21/2014
2
GUERTLER, CHRISTOPH
Exec Dt:
01/02/2014
3
WOHAK, MATTHIAS
Exec Dt:
01/14/2014
4
HOFMANN, JOERG
Exec Dt:
01/15/2014
5
SUBHANI, MUHAMMAD AFZAL
Exec Dt:
01/21/2014
6
COSEMANS, MAURICE
Exec Dt:
02/06/2014
7
LEITNER, WALTER
Exec Dt:
01/21/2014
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9120894
US20140155559
14131977
Correspondence name and address
CLAUDIA SCHULTZE
P O BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 4
Reel/Frame:035237/0735   Pages: 8
Recorded: 03/24/2015
Attorney Dkt #:074033-0499-US-523235
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MUELLER, THOMAS ERNST
Exec Dt:
02/18/2015
2
GUERTLER, CHRISTOPH
Exec Dt:
01/28/2015
3
WOHAK, MATTHIAS
Exec Dt:
02/09/2015
4
HOFMANN, JOERG
Exec Dt:
02/04/2015
5
SUBHANI, MUHAMMAD AFZAL
Exec Dt:
01/29/2015
6
LEITNER, WALTER
Exec Dt:
01/28/2015
7
PECKERMANN, ILJA
Exec Dt:
02/03/2015
8
WOLF, AUREL
Exec Dt:
02/03/2015
Assignee
1
BAYER MATERIALSCIENCE AG
ALFRED-NOBEL-STR. 10
MONHEIM AM RHEIN, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9273183
US20150225503
14424171
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 5
Reel/Frame:035402/0131   Pages: 4
Recorded: 04/14/2015
Attorney Dkt #:074033-500-US-523050
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÜLLER, THOMAS ERNST
Exec Dt:
03/10/2015
2
GÜRTLER, CHRISTOPH
Exec Dt:
02/10/2015
3
HOFMANN, JÖRG
Exec Dt:
02/10/2015
4
WOHAK, MATTHIAS
Exec Dt:
02/12/2015
5
BRAUN, STEFANIE
Exec Dt:
02/17/2015
6
WOLF, AUREL
Exec Dt:
02/23/2015
7
PECKERMANN, ILJA
Exec Dt:
02/27/2015
Assignee
1
BAYER MATERIALSCIENCE AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY D-51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9676905
US20150259475
14423856
Correspondence name and address
DRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 6
Reel/Frame:038752/0639   Pages: 8
Recorded: 05/31/2016
Attorney Dkt #:074023-0676-US-541518
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFMANN, JOERG
Exec Dt:
02/09/2016
2
PIRKL, HANS-GEORG
Exec Dt:
02/16/2016
3
LAEMMERHOLD, KAI
Exec Dt:
02/12/2016
4
NEFZGER, HARTMUT
Exec Dt:
02/18/2016
5
WOHAK, MATTHIAS
Exec Dt:
02/09/2016
6
BRAUN, STEFANIE
Exec Dt:
02/16/2016
7
GUERTLER, CHRISTOPH
Exec Dt:
02/18/2016
8
WOLF, AUREL
Exec Dt:
02/18/2016
9
LANGANKE, JENS
Exec Dt:
02/24/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10125217
US20160264727
15030523
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 7
Reel/Frame:043212/0528   Pages: 8
Recorded: 07/17/2017
Attorney Dkt #:BMS121038US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÜLLER, THOMAS ERNST
Exec Dt:
05/15/2017
2
GÜRTLER, CHRISTOPH
Exec Dt:
05/11/2017
3
WOHAK, MATTHIAS
Exec Dt:
05/12/2017
4
HOFMANN, JÖRG
Exec Dt:
05/12/2017
5
TORREN, CARLSON
Exec Dt:
07/13/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10138328
US20170321005
15527369
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 8
Reel/Frame:049842/0502   Pages: 11
Recorded: 07/24/2019
Attorney Dkt #:2016P30035WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFMANN, JÖRG
Exec Dt:
11/19/2018
2
RAUWALD, URS
Exec Dt:
01/31/2019
3
BRAUN, STEFANIE
Exec Dt:
11/19/2018
4
WOHAK, MATTHIAS
Exec Dt:
11/19/2018
5
NEFZGER, HARTMUT
Exec Dt:
11/20/2018
6
WELSCH, NICOLE
Exec Dt:
12/11/2018
7
WOLF, AUREL
Exec Dt:
11/18/2018
8
TRAVING, MICHAEL
Exec Dt:
11/19/2018
9
KRUEGER, LARS
Exec Dt:
11/28/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10836858
US20190322801
16309979
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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