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Patent Assignment Assignor Details
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Assignor Name : GUERTLER, CHRISTOPH, DR.
Total Assignments: 18
Assignment: 1
Reel/Frame:029488/0526   Pages: 2
Recorded: 12/18/2012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUERTLER, CHRISTOPH, DR.
Exec Dt:
08/06/2012
2
MUELLER, THOMAS ERNST, DR.
Exec Dt:
08/08/2012
3
GEBAUER, EWA, DR.
Exec Dt:
08/08/2012
4
VOGT, HENNING, DR.
Exec Dt:
08/08/2012
5
BEREZHANSKYY, YEVGEN, DR.
Exec Dt:
09/01/2012
6
KOEHLER, BURKHARD, DR.
Exec Dt:
08/08/2012
7
LEITNER, WALTER, DR.
Exec Dt:
08/08/2012
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9200113
US20130066112
13634148
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ LLP
1007 NORTH ORANGE STREET
WILMINGTON, DE 19801
Assignment: 2
Reel/Frame:029453/0037   Pages: 2
Recorded: 12/12/2012
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GUERTLER, CHRISTOPH, DR.
Exec Dt:
08/28/2012
2
HOFMANN, JOERG, DR.
Exec Dt:
09/06/2012
3
MUELLER, THOMAS ERNST, DR.
Exec Dt:
09/19/2012
4
WOLF, AUREL, DR.
Exec Dt:
08/03/2012
5
GRASSER, STEFAN, DR.
Exec Dt:
09/03/2012
6
KOEHLER, BURKHARD, DR.
Exec Dt:
09/19/2012
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9382417
US20130072602
13636509
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ LLP
1007 NORTH ORANGE STREET
WILMINGTON, DE 19801
Assignment: 3
Reel/Frame:031297/0454   Pages: 10
Recorded: 09/27/2013
Attorney Dkt #:2923343-055000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MUELLER, THOMAS ERNST, DR.
Exec Dt:
05/12/2013
2
GUERTLER, CHRISTOPH, DR.
Exec Dt:
05/12/2013
3
KERMAGORET, ANTHONY, DR.
Exec Dt:
05/28/2013
4
DIENES, YVONNE, DR.
Exec Dt:
06/01/2013
5
BUSYGIN, IGOR, DR.
Exec Dt:
09/12/2013
6
KOEHLER, BURKHARD, DR.
Exec Dt:
06/18/2013
7
LEITNER, WALTER, PROF
Exec Dt:
06/12/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9260562
US20140018517
13880288
Correspondence name and address
MILES & STOCKBRIDGE P.C.
1751 PINNACLE DRIVE
SUITE 500
TYSONS CORNER, VA 22102
Assignment: 4
Reel/Frame:050758/0665   Pages: 20
Recorded: 10/18/2019
Attorney Dkt #:190374PCTUS/2013P30006WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MUELLER, THOMAS ERNST, DR.
Exec Dt:
07/19/2019
2
GUERTLER, CHRISTOPH, DR.
Exec Dt:
07/20/2019
3
LAEMMERHOLD, KAI, DR.
Exec Dt:
08/01/2019
4
SUBHANI, MUHAMMAD AFZAL, DR.
Exec Dt:
10/15/2019
5
KOEHLER, BURKHARD, DR.
Exec Dt:
08/03/2019
6
LEITNER, WALTER, DR.
Exec Dt:
08/06/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11098154
US20200048402
16486029
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 5
Reel/Frame:054829/0148   Pages: 20
Recorded: 01/06/2021
Attorney Dkt #:200931PCTUS/2016P30177WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
COZZULA, DANIELA
Exec Dt:
08/21/2020
2
KÖHLER, BURKHARD, DR.
Exec Dt:
08/31/2020
3
SUBHANI, MUHAMMAD AFZAL, DR.
Exec Dt:
09/18/2020
4
PUTAJ, PIOTR
Exec Dt:
08/21/2020
5
LEITNER, WALTER, DR.
Exec Dt:
09/04/2020
6
MUELLER, THOMAS ERNST, DR.
Exec Dt:
09/04/2020
7
GUERTLER, CHRISTOPH, DR.
Exec Dt:
08/24/2020
8
MARKER, VOLKER
Exec Dt:
08/26/2020
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210292478
17257819
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 6
Reel/Frame:058015/0537   Pages: 3
Recorded: 11/04/2021
Attorney Dkt #:210388PCTUS/2018P30273WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LANGANKE, JENS, DR.
Exec Dt:
06/22/2021
2
LEVEN, MATTHIAS
Exec Dt:
06/22/2021
3
GUERTLER, CHRISTOPH, DR.
Exec Dt:
06/22/2021
4
RAJU, SURESH, DR.
Exec Dt:
06/24/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220204465
17607737
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 7
Reel/Frame:058015/0828   Pages: 5
Recorded: 11/04/2021
Attorney Dkt #:210380PCTUS/2019P30140WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRICK-DELAITTRE, ELENA, DR.
Exec Dt:
10/01/2021
2
WESTHUES, STEFAN
Exec Dt:
08/20/2021
3
REIMANN, YVONNE, DR.
Exec Dt:
08/20/2021
4
KOOPMANS, CARSTEN, DR.
Exec Dt:
08/23/2021
5
WEIKARD, JAN, DR.
Exec Dt:
08/20/2021
6
WOLF, AUREL, DR.
Exec Dt:
08/20/2021
7
MAGER, DIETER
Exec Dt:
09/02/2021
8
GUERTLER, CHRISTOPH, DR.
Exec Dt:
08/23/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220204684
17607653
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 8
Reel/Frame:058197/0432   Pages: 5
Recorded: 11/23/2021
Attorney Dkt #:210399PCTUS/2019P30143WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRICK-DELAITTRE, ELENA, DR.
Exec Dt:
10/01/2021
2
WESTHUES, STEFAN
Exec Dt:
08/20/2021
3
REIMANN, YVONNE, DR.
Exec Dt:
08/20/2021
4
KOOPMANS, CARSTEN, DR.
Exec Dt:
08/23/2021
5
WEIKARD, JAN, DR.
Exec Dt:
08/20/2021
6
WOLF, AUREL, DR.
Exec Dt:
08/20/2021
7
MAGER, DIETER
Exec Dt:
09/02/2021
8
GUERTLER, CHRISTOPH, DR.
Exec Dt:
08/23/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220227919
17613757
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 9
Reel/Frame:059889/0861   Pages: 6
Recorded: 05/11/2022
Attorney Dkt #:210399PCTUS/2019P30143WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRICK-DELAITTRE, ELENA, DR.
Exec Dt:
10/01/2021
2
WESTHUES, STEFAN
Exec Dt:
08/20/2021
3
REIMANN, YVONNE, DR.
Exec Dt:
08/20/2021
4
KOOPMANS, CARSTEN, DR.
Exec Dt:
08/23/2021
5
WEIKARD, JAN, DR.
Exec Dt:
08/20/2021
6
WOLF, AUREL, DR.
Exec Dt:
08/20/2021
7
LAEMMERHOLD, KAI, DR.
Exec Dt:
08/20/2021
8
GUERTLER, CHRISTOPH, DR.
Exec Dt:
08/23/2021
9
THIEL, DANIEL
Exec Dt:
08/20/2021
10
SCHLUNDT, WALDEMAR, DR.
Exec Dt:
10/01/2021
11
GLASSNER, MATHIAS, DR.
Exec Dt:
08/20/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220227919
17613757
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222
Assignment: 10
Reel/Frame:058688/0365   Pages: 6
Recorded: 01/19/2022
Attorney Dkt #:210420PCTUS/2019P30189WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WOLF, AUREL, DR.
Exec Dt:
10/19/2021
2
WESTHUES, STEFAN
Exec Dt:
10/19/2021
3
SCHUETZE, MIKE
Exec Dt:
10/19/2021
4
WALKER, KAROLINA, DR.
Exec Dt:
10/25/2021
5
GUERTLER, CHRISTOPH, DR.
Exec Dt:
10/19/2021
Assignees
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
2
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220267515
17628257
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 11
Reel/Frame:058606/0137   Pages: 4
Recorded: 01/10/2022
Attorney Dkt #:210431PCTUS/2019P30191WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WOLF, AUREL, DR.
Exec Dt:
10/27/2021
2
WESTHUES, STEFAN
Exec Dt:
10/27/2021
3
SCHUETZE, MIKE
Exec Dt:
10/30/2021
4
GUERTLER, CHRISTOPH, DR.
Exec Dt:
10/27/2021
Assignees
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
2
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220315697
17625539
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 12
Reel/Frame:058678/0769   Pages: 4
Recorded: 01/18/2022
Attorney Dkt #:210419PCTUS/2019P30192WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WOLF, AUREL, DR.
Exec Dt:
10/27/2021
2
SCHUETZE, MIKE
Exec Dt:
10/30/2021
3
WESTHUES, STEFAN
Exec Dt:
10/27/2021
4
GUERTLER, CHRISTOPH, DR.
Exec Dt:
10/27/2021
Assignees
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
2
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220267504
17619103
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 13
Reel/Frame:058324/0024   Pages: 5
Recorded: 12/07/2021
Attorney Dkt #:210400EPUS/2018P30240US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LANGANKE, JENS, DR.
Exec Dt:
11/24/2021
2
GUERTLER, CHRISTOPH, DR.
Exec Dt:
11/24/2021
3
LEVEN, MATTHIAS
Exec Dt:
11/24/2021
4
SCHIKOWSKI, DANIEL
Exec Dt:
11/24/2021
5
LEITNER, WALTER, DR.
Exec Dt:
11/30/2021
6
RAJU, SURESH, DR.
Exec Dt:
11/30/2021
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220185833
17540601
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 14
Reel/Frame:059770/0062   Pages: 3
Recorded: 04/29/2022
Attorney Dkt #:220196PCTUS/2019P30255WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LANGANKE, JENS, DR.
Exec Dt:
12/15/2021
2
WOLF, AUREL, DR.
Exec Dt:
12/15/2021
3
GUERTLER, CHRISTOPH, DR.
Exec Dt:
12/15/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220403087
17772762
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 15
Reel/Frame:060606/0629   Pages: 3
Recorded: 07/25/2022
Attorney Dkt #:220307PCTUS/2020P30045WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WOLF, AUREL, DR.
Exec Dt:
03/21/2022
2
MACHAT, MARTIN
Exec Dt:
03/22/2022
3
GUERTLER, CHRISTOPH, DR.
Exec Dt:
03/22/2022
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230070697
17795082
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 16
Reel/Frame:060606/0418   Pages: 5
Recorded: 07/25/2022
Attorney Dkt #:220320PCTUS/2020P30067WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRICK-DELAITTRE, ELENA, DR.
Exec Dt:
05/10/2022
2
WESTHUES, STEFAN
Exec Dt:
04/27/2022
3
WOLF, AUREL, DR.
Exec Dt:
04/27/2022
4
KOOPMANS, CARSTEN, DR.
Exec Dt:
04/27/2022
5
KOENIG, THOMAS, DR.
Exec Dt:
04/27/2022
6
GUERTLER, CHRISTOPH, DR.
Exec Dt:
04/27/2022
7
LAEMMERHOLD, KAI, DR.
Exec Dt:
04/27/2022
8
THIEL, DANIEL
Exec Dt:
04/27/2022
9
MOVAHHED, SOHAJL, DR.
Exec Dt:
04/27/2022
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240010780
17795078
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 17
Reel/Frame:060606/0719   Pages: 3
Recorded: 07/25/2022
Attorney Dkt #:220321PCTUS/2020P30064WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MACHAT, MARTIN
Exec Dt:
04/27/2022
2
WOLF, AUREL, DR.
Exec Dt:
04/27/2022
3
GUERTLER, CHRISTOPH, DR.
Exec Dt:
04/27/2022
4
MARBACH, JAKOB
Exec Dt:
04/27/2022
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230065278
17795084
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 18
Reel/Frame:061824/0065   Pages: 3
Recorded: 11/18/2022
Attorney Dkt #:220524PCTUS/2020P30100WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WOLF, AUREL, DR.
Exec Dt:
06/02/2022
2
SCHUETZE, MIKE
Exec Dt:
06/03/2022
3
GUERTLER, CHRISTOPH, DR.
Exec Dt:
05/31/2022
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230212352
17926305
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613

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