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Patent Assignment Assignor Details
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Assignor Name : TSCHEPAT, WOLFGANG
Total Assignments: 9
Assignment: 1
Reel/Frame:004670/0353   Pages: 2
Recorded: 02/26/1987
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
PENNEWISS, HORST
Exec Dt:
02/11/1983
2
SCHWEDER, ROLAND
Exec Dt:
02/11/1983
3
TSCHEPAT, WOLFGANG
Exec Dt:
02/11/1983
Assignee
1
ROHM GMBH
DARMSTADT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4677151
NONE
06740304
Correspondence name and address
DONALD R. BENTZ
C/O CURTIS, MORRIS AND SAFFORD
530 FIFTH AVENUE
NEW YORK, NY 10036
Assignment: 2
Reel/Frame:016395/0945   Pages: 3
Recorded: 03/24/2005
Attorney Dkt #:266378US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHERER, MARKUS
Exec Dt:
01/31/2005
2
TSCHEPAT, WOLFGANG
Exec Dt:
02/04/2005
Assignee
1
ROHMAX ADDITIVES GMBH
KIRSCHENALLEE
64293 DARMSTADT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7250458
US20050239937
10525942
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 3
Reel/Frame:016487/0404   Pages: 3
Recorded: 04/22/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHERER, MARKUS
Exec Dt:
01/31/2005
2
DARDIN, ALEXANDER
Exec Dt:
02/17/2005
3
TSCHEPAT, WOLFGANG
Exec Dt:
02/04/2005
4
MASSOTH, STEPHAN
Exec Dt:
02/03/2005
Assignee
1
ROHMAX ADDITIVES GMBH
KIRSCHENALLEE
64293 DARMSTADT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7452932
US20050261143
10526435
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 4
Reel/Frame:020948/0108   Pages: 8
Recorded: 05/15/2008
Attorney Dkt #:294928US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHERER, MARKUS
Exec Dt:
07/09/2006
2
HEDRICH, KLAUS
Exec Dt:
07/14/2006
3
TSCHEPAT, WOLFGANG
Exec Dt:
07/04/2006
Assignee
1
ROHMAX ADDITIVES GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8349779
US20070184993
10593082
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 5
Reel/Frame:023569/0637   Pages: 8
Recorded: 11/25/2009
Attorney Dkt #:350183US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHIMMEL, THOMAS
Exec Dt:
08/26/2009
2
TSCHEPAT, WOLFGANG
Exec Dt:
08/24/2009
3
FENGLER, STEPHAN
Exec Dt:
08/20/2009
Assignee
1
EVONIK ROHMAX ADDITIVES GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110230378
12599996
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 6
Reel/Frame:030565/0824   Pages: 10
Recorded: 06/07/2013
Attorney Dkt #:408332US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BLOOS, DETLEF
Exec Dt:
01/10/2013
2
MASSOTH, STEPHAN
Exec Dt:
01/14/2013
3
TSCHEPAT, WOLFGANG
Exec Dt:
01/08/2013
4
FISCHER, MATTHIAS
Exec Dt:
05/17/2013
Assignee
1
EVONIK OIL ADDITIVES GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130131254
13813175
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 7
Reel/Frame:030940/0269   Pages: 12
Recorded: 08/05/2013
Attorney Dkt #:417525US99PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOSCHABEK, RENE
Exec Dt:
05/07/2013
2
STOEHR, TORSTEN
Exec Dt:
05/06/2013
3
WEBER, MARKUS
Exec Dt:
05/03/2013
4
UNGLERT, ANDRE
Exec Dt:
05/06/2013
5
TSCHEPAT, WOLFGANG
Exec Dt:
05/06/2013
Assignee
1
EVONIK OIL ADDITIVES GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9540575
US20130306523
13982498
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:047095/0650   Pages: 14
Recorded: 10/08/2018
Attorney Dkt #:000653US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHÖLLER, KATRIN
Exec Dt:
09/26/2018
2
LIPPERT, SARAH
Exec Dt:
09/25/2018
3
TSCHEPAT, WOLFGANG
Exec Dt:
09/24/2018
4
SCHIMOSSEK, KLAUS
Exec Dt:
09/25/2018
Assignee
1
EVONIK OIL ADDITIVES GMBH
KIRSCHENALLEE
DARMSTADT, GERMANY 64293
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10731097
US20190071615
16119878
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102
Assignment: 9
Reel/Frame:061550/0705   Pages: 3
Recorded: 10/26/2022
Attorney Dkt #:004731USPCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHÖLLER, KATRIN
Exec Dt:
05/09/2022
2
LIPPERT, SARAH
Exec Dt:
05/09/2022
3
TSCHEPAT, WOLFGANG
Exec Dt:
05/11/2022
4
ZIEGLER, FABIAN
Exec Dt:
05/11/2022
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230174695
17997231
Correspondence name and address
GRUNEBERG AND MYERS PLLC
1775 TYSONS BLVD
5TH FLOOR
TYSONS, VA 22102

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