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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : GROTHE, SONJA
Total Assignments: 10
Assignment: 1
Reel/Frame:021752/0815   Pages: 3
Recorded: 10/28/2008
Attorney Dkt #:DNAG-359 (10810477)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROTHE, SONJA
Exec Dt:
10/10/2008
2
WINKLER, JOCHEN
Exec Dt:
10/17/2008
Assignee
1
SACHTLEBEN CHEMIE GMBH
DR.-RUDOLF-SACHTLEBEN-STRASSE 4
DUISBURG, GERMANY 47198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7645334
US20080314291
12278784
Correspondence name and address
JAMES R. CRAWFORD
FULBRIGHT & JAWORSKI, L.P.
666 FIFTH AVENUE
NEW YORK, N.Y. 10103
Assignment: 2
Reel/Frame:022753/0907   Pages: 5
Recorded: 05/28/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROTHE, SONJA
Exec Dt:
03/31/2009
2
FRITZEN, PETRA
Exec Dt:
03/30/2009
3
WINKLER, JOCHEN
Exec Dt:
03/30/2009
4
ROHE, BERND
Exec Dt:
03/30/2009
Assignee
1
SACHTLEBEN CHEMIE GMBH
DR.-RUDOLF SACNTEBEN-STRASSE 4
DUISBURG, GERMANY 47198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090326114
12438609
Correspondence name and address
JAMES R CRAWFORD
FULBRIGHT & JAWORSKI L.P.
666 FIFTH AVENUE
NEW YORK, N.Y. 10103
Assignment: 3
Reel/Frame:022754/0465   Pages: 5
Recorded: 05/29/2009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROTHE, SONJA
Exec Dt:
03/31/2009
2
FRITZEN, PETRA
Exec Dt:
03/30/2009
3
WINKLER, JOCHEN
Exec Dt:
03/30/2009
4
ROHE, BERND
Exec Dt:
03/30/2009
Assignee
1
SACHTLEBEN CHEMIE GMBH
DR.-RUDOLF-SACHTLEBEN-STRASSE 4
DUISBURG, GERMANY 47198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100015437
12438595
Correspondence name and address
JAMES R. CRAWFORD
FULBRIGHT & JAWORSKI L.L.P.
666 FIFTH AVENUE
NEW YORK, N.Y. 10103
DNAG-381 (10902121)
Assignment: 4
Reel/Frame:022977/0849   Pages: 6
Recorded: 07/17/2009
Attorney Dkt #:dnag-383 (10902119)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROTHE, SONJA
Exec Dt:
03/31/2009
2
FRITZEN, PETRA
Exec Dt:
03/30/2009
3
WINKLER, JOCHEN
Exec Dt:
03/30/2009
4
ROHE, BERND
Exec Dt:
03/30/2009
5
BITTMANN, BIRGIT
Exec Dt:
05/12/2009
6
HAUPERT, FRANK
Exec Dt:
06/17/2009
7
KNOR, NICOLE
Exec Dt:
06/17/2009
Assignee
1
SACHTLEBEN CHEMIE GMBH
DR.-RUDOLF-SACHTLEBEN-STRASSE 4
DUISBURG, GERMANY 47198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100189940
12438646
Correspondence name and address
JAMES R. CRAWFORD
FULBRIGHT & JAWORSKI L.L.P.
666 FIFTH AVENUE
NEW YORK, N.Y. 10103
Assignment: 5
Reel/Frame:022977/0949   Pages: 6
Recorded: 07/17/2009
Attorney Dkt #:DNAG-382 (10902118)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROTHE, SONJA
Exec Dt:
03/31/2009
2
FRITZEN, PETRA
Exec Dt:
03/30/2009
3
WINKLER, JOCHEN
Exec Dt:
03/30/2009
4
ROHE, BERND
Exec Dt:
03/30/2009
5
BITTMANN, BIRGIT
Exec Dt:
05/12/2009
6
HAUPERT, FRANK
Exec Dt:
06/17/2009
Assignee
1
SACHTLEBEN CHEMIE GMBH
DR.-RUDOLF-SACHTLEBEN-STRASSE 4
DUISBURG, GERMANY 47198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090318594
12438626
Correspondence name and address
JAMES R. CRAWFORD
FULBRIGHT & JAWORSKI L.L.P.
666 FIFTH AVENUE
NEW YORK, NEW YORK 10103
Assignment: 6
Reel/Frame:024454/0930   Pages: 4
Recorded: 05/28/2010
Attorney Dkt #:436N.0008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EBBINGHAUS, PETER
Exec Dt:
04/23/2010
2
BECKER, BERNHARD
Exec Dt:
04/23/2010
3
KOHNERT, JENS
Exec Dt:
04/23/2010
4
HOCKEN, JORG
Exec Dt:
04/23/2010
5
SCHELLEN, RALF
Exec Dt:
04/29/2010
6
KLEIN, BERND-MICHAEL
Exec Dt:
04/23/2010
7
MULLER, FRIEDRICH
Exec Dt:
04/23/2010
8
GROTHE, SONJA
Exec Dt:
04/23/2010
9
ROHE, BERND
Exec Dt:
04/23/2010
Assignee
1
SACHTLEBEN CHEMIE GMBH
DR. RUDOLF-SACHTLEBEN-STRASSE 4
DUISBURG, GERMANY 47198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8163828
US20100267878
12738849
Correspondence name and address
CAHN & SAMUELS LLP
1100 17TH STREET NW
SUITE 401
WASHINGTON, DC 20036
Assignment: 7
Reel/Frame:025424/0965   Pages: 4
Recorded: 11/29/2010
Attorney Dkt #:436N.0009
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROTHE, SONJA
Exec Dt:
11/15/2010
2
HOCKEN, JOERG
Exec Dt:
11/12/2010
3
GOSCH, ELKE
Exec Dt:
11/12/2010
4
ROHE, BERND
Exec Dt:
11/12/2010
5
EBBINGHAUS, PETER
Exec Dt:
11/16/2010
6
KOHNERT, JENS
Exec Dt:
11/19/2010
Assignee
1
SACHTLEBEN CHEMIE GMBH
DR.-RUDOLF-SACHTLEBEN-STRASSE 4
DUISBURG, GERMANY 47198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9481581
US20120077059
12994186
Correspondence name and address
CAHN & SAMUELS LLP
1100 17TH STREET NW
SUITE 401
WASHINGTON, DC 20036
Assignment: 8
Reel/Frame:029666/0593   Pages: 3
Recorded: 01/22/2013
Attorney Dkt #:436N.0017
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROTHE, SONJA
Exec Dt:
01/09/2013
2
ROHE, BERND
Exec Dt:
12/19/2012
3
EBBINGHAUS, PETER
Exec Dt:
12/21/2012
4
GOSCH, ELKE
Exec Dt:
12/28/2012
Assignee
1
SACHTLEBEN CHEMIE GMBH
DR.-RUDOLF-SACHTLEBEN-STRASSE 4
DUISBURG, GERMANY 47198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9566565
US20130115154
13805370
Correspondence name and address
CAHN & SAMUELS LLP
1100 17TH STREET NW
SUITE 401
WASHINGTON, DC 20036
Assignment: 9
Reel/Frame:029666/0766   Pages: 3
Recorded: 01/22/2013
Attorney Dkt #:436N.0018
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PROFT, BERND
Exec Dt:
01/15/2013
2
OPTEHOSTERT, REGINA
Exec Dt:
12/19/2012
3
GESENHUES, ULRICH
Exec Dt:
12/19/2012
4
ROHE, BERND
Exec Dt:
12/18/2012
5
GROTHE, SONJA
Exec Dt:
01/09/2013
Assignee
1
SACHTLEBEN CHEMIE GMBH
DR.-RUDOLF-SACHTLEBEN-STRASSE 4
DUISBURG, GERMANY 47198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130172176
13805375
Correspondence name and address
CAHN & SAMUELS LLP
1100 17TH STREET NW
SUITE 401
WASHINGTON, DC 20036
Assignment: 10
Reel/Frame:041534/0110   Pages: 5
Recorded: 03/10/2017
Attorney Dkt #:436N.0037
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROTHE, SONJA
Exec Dt:
02/13/2017
2
SPITZWIESER, CHRISTIAN
Exec Dt:
03/09/2017
Assignee
1
HUNTSMAN P&A GERMANY GMBH
DR.-RUDOLF-SACHTLEBEN-STRASSE 4
DUISBURG, GERMANY 47198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10155218
US20170056855
15119739
Correspondence name and address
CAHN & SAMUELS LLP
1100 17TH STREET NW
SUITE 401
WASHINGTON, DC 20036

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