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Patent Assignment Assignor Details
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Assignor Name : SCHORNSTEIN, MARCEL
Total Assignments: 17
Assignment: 1
Reel/Frame:031078/0068   Pages: 3
Recorded: 08/26/2013
Attorney Dkt #:14069-00490
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEGENER, DIRK
Exec Dt:
06/13/2013
2
REITER, STEPHAN
Exec Dt:
06/13/2013
3
RASSELNBERG, HARALD
Exec Dt:
06/13/2013
4
SCHORNSTEIN, MARCEL
Exec Dt:
06/13/2013
5
ARNTZ, HANS-DETLEF
Exec Dt:
06/13/2013
6
BRUENING, DIRK
Exec Dt:
06/13/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9481776
US20130337208
13994212
Correspondence name and address
GEOFFREY A. ZELLEY
1007 NORTH ORANGE STREET
WILMINGTON, DE 19801
Assignment: 2
Reel/Frame:031719/0942   Pages: 3
Recorded: 12/05/2013
Attorney Dkt #:14069-00500-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEGENER, DIRK
Exec Dt:
11/05/2013
2
REITER, STEPHAN
Exec Dt:
11/06/2013
3
RASSELNBERG, HARALD
Exec Dt:
11/05/2013
4
SCHORNSTEIN, MARCEL
Exec Dt:
11/05/2013
5
ARNTZ, HANS-DETLEF
Exec Dt:
11/05/2013
6
BRUENING, DIRK
Exec Dt:
11/06/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20140093721
14114987
Correspondence name and address
CLAUDIA SCHULTZE
P O BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 3
Reel/Frame:033759/0155   Pages: 4
Recorded: 09/17/2014
Attorney Dkt #:074023-0568-US-516773
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUPKA, FLORIAN
Exec Dt:
07/02/2014
2
SCHORNSTEIN, MARCEL
Exec Dt:
07/21/2014
3
WEGENER, DIRK
Exec Dt:
07/22/2014
4
RASSELNBERG, HARALD
Exec Dt:
08/25/2014
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STR. 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9512260
US20150050503
14385879
Correspondence name and address
DRINKER BIDDLE & REATH LLP/L. STANTON
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 4
Reel/Frame:033765/0253   Pages: 4
Recorded: 09/18/2014
Attorney Dkt #:074023-0567-US-516822
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUPKA, FLORIAN
Exec Dt:
08/21/2014
2
SCHORNSTEIN, MARCEL
Exec Dt:
08/25/2014
3
WEGENER, DIRK
Exec Dt:
08/26/2014
4
RASSELNBERG, HARALD
Exec Dt:
08/25/2014
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STR. 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9399705
US20150080530
14386030
Correspondence name and address
DRINKER BIDDLE & REATH LLP/L. STANTON
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 5
Reel/Frame:034978/0820   Pages: 4
Recorded: 02/18/2015
Attorney Dkt #:074023-0594-US-522590
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUPKA, FLORIAN
Exec Dt:
01/13/2015
2
SCHORNSTEIN, MARCEL
Exec Dt:
01/21/2015
3
WEGENER, DIRK
Exec Dt:
01/23/2015
4
RASSELNBERG, HARALD
Exec Dt:
01/23/2015
5
MICHELS, ERHARD
Exec Dt:
01/27/2015
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9376564
US20150225566
14422204
Correspondence name and address
DRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 6
Reel/Frame:035127/0721   Pages: 4
Recorded: 03/10/2015
Attorney Dkt #:074023-0595-US-522673
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUPKA, FLORIAN
Exec Dt:
02/12/2015
2
SCHORNSTEIN, MARCEL
Exec Dt:
02/17/2015
3
WEGENER, DIRK
Exec Dt:
02/17/2015
4
RASSELNBERG, HARALD
Exec Dt:
02/23/2015
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9290661
US20150218375
14422404
Correspondence name and address
DRINKER BIDDLE & REATH LLP
ONE LOGAN SQUARE
SUITE 2000
PHILADELPHIA, PA 19103
Assignment: 7
Reel/Frame:038251/0046   Pages: 3
Recorded: 04/12/2016
Attorney Dkt #:074033-0511-US-533429
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUPKA, FLORIAN
Exec Dt:
10/21/2015
2
SCHORNSTEIN, MARCEL
Exec Dt:
10/21/2015
3
NEFZGER, HARTMUT
Exec Dt:
10/27/2015
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9920175
US20160145403
14785218
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 8
Reel/Frame:040162/0245   Pages: 4
Recorded: 10/28/2016
Attorney Dkt #:160486PCTUS/BMS131108PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHORNSTEIN, MARCEL
Exec Dt:
10/05/2016
2
HUPKA, FLORIAN, DR.
Exec Dt:
10/07/2016
3
WEGENER, DIRK, DR.
Exec Dt:
10/07/2016
4
RASSELNBERG, HARALD
Exec Dt:
10/10/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9868831
US20170051120
15307649
Correspondence name and address
K&L GATES LLP - ROBERT J. TOTH
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 9
Reel/Frame:046867/0856   Pages: 3
Recorded: 09/13/2018
Attorney Dkt #:170031PCTUS/BMS141011PCTU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHORNSTEIN, MARCEL
Exec Dt:
01/26/2017
2
HUPKA, FLORIAN, DR.
Exec Dt:
01/26/2017
3
WEGENER, DIRK, DR.
Exec Dt:
01/26/2017
4
RASSELNBERG, HARALD
Exec Dt:
01/27/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10167369
US20170306116
15507635
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 10
Reel/Frame:044643/0572   Pages: 4
Recorded: 01/17/2018
Attorney Dkt #:170749PCTUS/BMS151072PCTU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHORNSTEIN, MARCEL
Exec Dt:
12/08/2017
2
HOFFMANN, ANDREAS, DR.
Exec Dt:
12/08/2017
3
WEGENER, DIRK, DR.
Exec Dt:
12/08/2017
4
RASSELNBERG, HARALD
Exec Dt:
12/13/2017
5
BOMHOLT, NIELS
Exec Dt:
01/02/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10633482
US20180179323
15739519
Correspondence name and address
NICHOLAS A. BARONE
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 11
Reel/Frame:046776/0001   Pages: 3
Recorded: 09/04/2018
Attorney Dkt #:180394PCTUS/COV161005PCTU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
SCHORNSTEIN, MARCEL
Exec Dt:
08/17/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10865283
US20190048160
16076915
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 12
Reel/Frame:050351/0966   Pages: 3
Recorded: 09/12/2019
Attorney Dkt #:2017P30046WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHORNSTEIN, MARCEL
Exec Dt:
08/08/2019
2
NORDMANN, PETER
Exec Dt:
08/08/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20200080767
16490745
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 13
Reel/Frame:050351/0992   Pages: 5
Recorded: 09/12/2019
Attorney Dkt #:2017P30020WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HAHN, CHRISTIAN
Exec Dt:
08/02/2019
2
ALBERS, REINHARD
Exec Dt:
08/02/2019
3
ANWAR, ALI-KASIM
Exec Dt:
08/02/2019
4
HEINZ, PAUL
Exec Dt:
08/02/2019
5
BAECKER, MICHAEL
Exec Dt:
08/08/2019
6
SCHORNSTEIN, MARCEL
Exec Dt:
08/08/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11168172
US20200017624
16490732
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 14
Reel/Frame:052020/0001   Pages: 7
Recorded: 03/05/2020
Attorney Dkt #:2017P30082WOUS01
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STOECKEL, NICOLAS
Exec Dt:
12/10/2019
2
SCHORNSTEIN, MARCEL
Exec Dt:
11/11/2019
3
LAEMMERHOLD, KAI
Exec Dt:
11/11/2019
4
SUN, GUOBIN
Exec Dt:
11/11/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11512164
US20210061942
16644199
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 15
Reel/Frame:054092/0796   Pages: 5
Recorded: 10/19/2020
Attorney Dkt #:2018P30033WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHORNSTEIN, MARCEL
Exec Dt:
05/06/2020
2
NORDMANN, PETER
Exec Dt:
05/13/2020
3
REITHMEIER, MARINA
Exec Dt:
05/13/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11001665
NONE
17048652
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 16
Reel/Frame:056369/0235   Pages: 6
Recorded: 05/27/2021
Attorney Dkt #:2018P30175WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NEFZGER, HARTMUT
Exec Dt:
03/29/2021
2
RAFFEL, BOLKO
Exec Dt:
02/01/2021
3
SCHORNSTEIN, MARCEL
Exec Dt:
03/29/2021
4
HAGEN, TORSTEN
Exec Dt:
03/29/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220025103
17297494
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 17
Reel/Frame:061225/0948   Pages: 3
Recorded: 09/27/2022
Attorney Dkt #:2019P30307WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHORNSTEIN, MARCEL
Exec Dt:
04/20/2022
2
REITEMEYER, TIMO LARS
Exec Dt:
04/20/2022
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230140887
17914901
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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