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Patent Assignment Assignor Details
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Assignor Name : SEEKAMP, MARC
Total Assignments: 4
Assignment: 1
Reel/Frame:004680/0018   Pages: 2
Recorded: 03/13/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PETER, SIEGFRIED
Exec Dt:
02/25/1987
2
SEEKAMP, MARC
Exec Dt:
02/25/1987
3
BENEKE, HERBERT
Exec Dt:
02/22/1987
4
STADELHOFER, JURGEN
Exec Dt:
03/09/1987
Assignee
1
RUTGERSWERKE AKTIENGESELLSCHAFT, MAINZER LANDSTRASSE 217, D-6000 FRANKFURT/MAIN 1, GERMANY
DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4827050
NONE
07025473
Correspondence name and address
HORST M. KASPER
13 FOREST DRIVE
WARREN, NJ 07060
Assignment: 2
Reel/Frame:023589/0970   Pages: 10
Recorded: 12/02/2009
Attorney Dkt #:PO9160/BMS081050
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KEGGENHOFF, BERTHOLD
Exec Dt:
09/17/2009
2
BOLTON, JEFFREY
Exec Dt:
10/01/2009
3
STEFFENS, FRIEDHELM
Exec Dt:
10/19/2009
4
SEEKAMP, MARC
Exec Dt:
10/22/2009
5
RUFFERT, GERHARD
Exec Dt:
11/04/2009
6
KERN, JURGEN
Exec Dt:
10/06/2009
7
RUNOWSKI, THOMAS
Exec Dt:
11/11/2009
Assignee
1
BAYER MATERIALSCIENCE AG
51368
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10143987
US20100071770
12544267
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 3
Reel/Frame:035214/0507   Pages: 12
Recorded: 03/20/2015
Attorney Dkt #:074023-0603-US-524126
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LAUE, JOERG
Exec Dt:
03/06/2015
2
STEFFENS, CHRISTIAN
Exec Dt:
03/10/2015
3
KRAUSE, JENS
Exec Dt:
03/12/2015
4
WERSHOFEN, STEFAN
Exec Dt:
03/11/2015
5
KILIAN, WERNER
Exec Dt:
03/06/2015
6
SEEKAMP, MARC
Exec Dt:
03/09/2015
7
RUHLAND, MATTHIAS
Exec Dt:
03/11/2015
Assignee
1
BAYER MATERIALSCIENCE AG
ALFRED-NOBEL-STR. 10
MONHEIM AM RHEIN, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9272988
US20150246873
14429866
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 4
Reel/Frame:054227/0449   Pages: 26
Recorded: 09/29/2020
Attorney Dkt #:2018P30022WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MORAWSKI, JOERG
Exec Dt:
04/21/2020
2
LODDENKEMPER, TIM
Exec Dt:
05/18/2020
3
LANG, STEFANIE
Exec Dt:
05/27/2020
4
BELLINGHAUSEN, RAINER
Exec Dt:
04/29/2020
5
LIESENFELDER, ULRICH
Exec Dt:
04/29/2020
6
MERKEL, MICHAEL
Exec Dt:
04/16/2020
7
SEEKAMP, MARC
Exec Dt:
04/17/2020
8
DUNKER, ARIANE
Exec Dt:
04/30/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210024459
17043117
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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