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Patent Assignment Assignor Details
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Assignor Name : GÜRTLER, CHRISTOPH
Total Assignments: 17
Assignment: 1
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: 2
Reel/Frame:036848/0107   Pages: 10
Recorded: 10/21/2015
Attorney Dkt #:074023-573-US-518570
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÜLLER, THOMAS E.
Exec Dt:
02/25/2015
2
GÜRTLER, CHRISTOPH
Exec Dt:
02/27/2015
3
HALPAAP, REINHARD
Exec Dt:
02/26/2015
4
GEBAUER-HENKE, EWA
Exec Dt:
03/07/2015
5
LEITNER, WALTER
Exec Dt:
02/27/2015
6
TOMKINS, PATRICK
Exec Dt:
04/14/2015
7
THIEBES, CHRISTOPH
Exec Dt:
03/03/2015
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9278906
US20150218083
14614183
Correspondence name and address
DRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 3
Reel/Frame:037879/0427   Pages: 8
Recorded: 03/03/2016
Attorney Dkt #:074023-0572-US-518584
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÜLLER, THOMAS E.
Exec Dt:
02/25/2015
2
GÜRTLER, CHRISTOPH
Exec Dt:
02/27/2015
3
HALPAAP, REINHARD
Exec Dt:
02/26/2015
4
THIEBES, CHRISTOPH
Exec Dt:
03/03/2015
5
GEBAUER-HENKE, EWA
Exec Dt:
02/21/2016
6
CASTRO CEVALLOS, ISABEL U.
Exec Dt:
05/11/2015
7
LEITNER, WALTER
Exec Dt:
02/27/2015
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9403754
US20150218082
14614013
Correspondence name and address
DRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 4
Reel/Frame:035960/0668   Pages: 7
Recorded: 06/23/2015
Attorney Dkt #:074023-620-US-528180
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÜLLER, THOMAS ENRST
Exec Dt:
06/08/2015
2
GÜRTLER, CHRISTOPH
Exec Dt:
06/01/2015
3
LEITNER, WALTER
Exec Dt:
05/30/2015
4
VOGT, HENNING
Exec Dt:
05/31/2015
5
BARATH, GABOR
Exec Dt:
06/06/2015
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9534090
US20150322213
14654640
Correspondence name and address
DRINKER BIDDLE & REATH LLC
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 5
Reel/Frame:036151/0242   Pages: 6
Recorded: 07/22/2015
Attorney Dkt #:074033-0508-US-528182
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÜLLER, THOMAS ERNST
Exec Dt:
06/15/2015
2
GÜRTLER, CHRISTOPH
Exec Dt:
06/08/2015
3
LEITNER, WALTER
Exec Dt:
06/05/2015
4
VOGT, HENNING
Exec Dt:
06/04/2015
5
BARATH, GABOR
Exec Dt:
06/15/2015
Assignee
1
BAYER MATERIALSCIENCE AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9688814
US20150368396
14654725
Correspondence name and address
DRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 6
Reel/Frame:036155/0599   Pages: 6
Recorded: 07/22/2015
Attorney Dkt #:074023-0621-US-528230
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÜLLER, THOMAS ERNST
Exec Dt:
06/15/2015
2
GÜRTLER, CHRISTOPH
Exec Dt:
06/08/2015
3
VOGT, HENNING
Exec Dt:
06/04/2015
4
KRAUTSCHICK, MARIO
Exec Dt:
06/04/2015
5
LEITNER, WALTER
Exec Dt:
06/15/2015
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9469715
US20150337070
14654665
Correspondence name and address
DRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 7
Reel/Frame:039857/0344   Pages: 8
Recorded: 09/26/2016
Attorney Dkt #:BMS131129US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PECKERMANN, ILJA
Exec Dt:
08/25/2016
2
WOLF, AUREL
Exec Dt:
08/26/2016
3
LANGANKE, JENS
Exec Dt:
08/26/2016
4
GÜRTLER, CHRISTOPH
Exec Dt:
09/06/2016
5
HOFMANN, JÖRG
Exec Dt:
08/26/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10093772
US20170096526
15129209
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 8
Reel/Frame:040605/0457   Pages: 10
Recorded: 11/11/2016
Attorney Dkt #:BMS131138US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÜLLER, THOMAS ERNST
Exec Dt:
10/17/2016
2
GÜRTLER, CHRISTOPH
Exec Dt:
09/23/2016
3
BASU, SUSMIT
Exec Dt:
10/19/2016
4
RANGHEARD, CLAUDINE
Exec Dt:
10/18/2016
5
WEBER, ANNA
Exec Dt:
10/23/2016
6
VOGT, HENNING
Exec Dt:
10/20/2016
7
LEITNER, WALTER
Exec Dt:
10/20/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170088659
15310598
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 9
Reel/Frame:041260/0970   Pages: 7
Recorded: 02/15/2017
Attorney Dkt #:BMS131140US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÜLLER, THOMAS ERNST
Exec Dt:
11/05/2015
2
GÜRTLER, CHRISTOPH
Exec Dt:
10/18/2016
3
BASU, SUSMIT
Exec Dt:
10/19/2016
4
LATORRE, IRENE
Exec Dt:
10/19/2016
5
RANGHEARD, CLAUDINE
Exec Dt:
10/18/2016
6
LEITNER, WALTER
Exec Dt:
10/20/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170081462
15310500
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 10
Reel/Frame:041721/0809   Pages: 7
Recorded: 02/15/2017
Attorney Dkt #:BMS131139US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÜLLER, THOMAS ERNST
Exec Dt:
11/05/2016
2
GÜRTLER, CHRISTOPH
Exec Dt:
10/18/2016
3
BASU, SUSMIT
Exec Dt:
10/19/2016
4
RANGHEARD, CLAUDINE
Exec Dt:
10/18/2016
5
WEBER, ANNA
Exec Dt:
10/23/2016
6
LEITNER, WALTER
Exec Dt:
10/20/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20170081459
15310487
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 11
Reel/Frame:042022/0001   Pages: 6
Recorded: 03/16/2017
Attorney Dkt #:BMS131103US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÜLLER, THOMAS ERNST
Exec Dt:
03/02/2017
2
GÜRTLER, CHRISTOPH
Exec Dt:
03/10/2017
3
SUBHANI, MUHAMMAD AFZAL
Exec Dt:
02/21/2017
4
KOEHLER, BURKHARD
Exec Dt:
02/21/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10358526
US20170313816
15511664
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 12
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: 13
Reel/Frame:049241/0647   Pages: 8
Recorded: 05/21/2019
Attorney Dkt #:BMS131135US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÜLLER, THOMAS ERNST
Exec Dt:
07/19/2017
2
GÜRTLER, CHRISTOPH
Exec Dt:
07/18/2017
3
BASU, SUSMIT
Exec Dt:
07/13/2017
4
RANGHEARD, CLAUDINE
Exec Dt:
07/13/2017
5
RIVILLO, DAVID
Exec Dt:
08/10/2017
6
LEITNER, WALTER
Exec Dt:
07/14/2017
7
KÖHLER, BURKHARD
Exec Dt:
07/13/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10385167
US20180022871
15548817
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 14
Reel/Frame:044533/0783   Pages: 6
Recorded: 01/04/2018
Attorney Dkt #:BMS151082PCT-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÜLLER, THOMAS ERNST
Exec Dt:
12/02/2017
2
GÜRTLER, CHRISTOPH
Exec Dt:
11/27/2017
3
POHL, MICHAEL
Exec Dt:
11/13/2017
4
SUBHANI, MUHAMMAD AFZAL
Exec Dt:
11/13/2017
5
LEITNER, WALTER
Exec Dt:
11/13/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10364323
US20180291148
15573940
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 15
Reel/Frame:046671/0557   Pages: 9
Recorded: 08/23/2018
Attorney Dkt #:BMS151016US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ADKINS, RICK L.
Exec Dt:
01/08/2018
2
REESE, JACK R.
Exec Dt:
01/08/2018
3
MÜLLER, THOMAS ERNST
Exec Dt:
02/12/2018
4
GÜRTLER, CHRISTOPH
Exec Dt:
02/05/2018
5
RAUWALD, URS
Exec Dt:
02/16/2018
6
SUBHANI, MUHAMMAD AFZAL
Exec Dt:
03/10/2018
7
JAKOBY, VERENA
Exec Dt:
03/22/2018
8
KÖHLER, BURKHARD
Exec Dt:
05/12/2018
9
LEITNER, WALTER
Exec Dt:
05/14/2018
Assignees
1
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PENNSYLVANIA 15205
2
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10526484
US20190185666
15848318
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 16
Reel/Frame:050927/0309   Pages: 7
Recorded: 11/06/2019
Attorney Dkt #:2014P30013WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MÜLLER, THOMAS ERNST
Exec Dt:
05/19/2019
2
GÜRTLER, CHRISTOPH
Exec Dt:
05/13/2019
3
SUBHANI, MUHAMMAD AFZAL
Exec Dt:
09/27/2019
4
FATEMEH, EBRAHIMI
Exec Dt:
07/06/2019
5
LEITNER, WALTER
Exec Dt:
05/21/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210163681
16469704
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 17
Reel/Frame:056189/0020   Pages: 12
Recorded: 05/10/2021
Attorney Dkt #:15815-000172-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEURESCH, MARKUS
Exec Dt:
04/19/2021
2
WOLF, AUREL
Exec Dt:
04/19/2021
3
GÜRTLER, CHRISTOPH
Exec Dt:
04/19/2021
4
HILL, ANNIKA
Exec Dt:
04/19/2021
5
SCHALKE, PETER
Exec Dt:
05/10/2021
6
HELLER, MAIK
Exec Dt:
05/10/2021
7
DITTMER, TORSTEN
Exec Dt:
05/05/2021
Assignees
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
2
PREFERE PARAFORM GMBH & CO. KG
HAUPTSTRASSE 30
MAINZ, GERMANY 55120
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220002467
17292606
Correspondence name and address
HARNESS, DICKEY & PIERCE, P.L.C.
5445 CORPORATE DRIVE
SUITE 200
TROY, MI 48098

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