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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 : PROFT, BERND
Total Assignments: 8
Assignment: 1
Reel/Frame:012402/0113   Pages: 3
Recorded: 12/31/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PROFT, BERND
Exec Dt:
10/26/2001
2
HIRSCHBERG, ELKE
Exec Dt:
10/29/2001
3
SELING, BARBARA
Exec Dt:
11/04/2001
4
WEYAND, SONJA
Exec Dt:
10/26/2001
Assignee
1
SACHTLEBEN CHEMIE GMBH
DR. RUDOLF-SACHTLEBEN STR. 4
47198 DUISBURG, GERMANY
Property
 
Pat #
Pub #
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6660243
NONE
09937156
Correspondence name and address
FULBRIGHT & JAWORSKI L.L.P.
JAMES R. CRAWFORD
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 2
Reel/Frame:018053/0209   Pages: 4
Recorded: 08/02/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PROFT, BERND
Exec Dt:
07/07/2006
2
HIRSCHBERG, ELKE
Exec Dt:
07/07/2006
3
OPTEHOSTERT, REGINA
Exec Dt:
07/07/2006
4
WINKLER, JOCHEN
Exec Dt:
07/10/2006
5
PIPPLIES, KLAUS
Exec Dt:
07/10/2006
6
WEDLER, MICHAEL
Exec Dt:
07/12/2006
Assignee
1
SACHTLEBEN CHEMIE GMBH
DR.-RUDOLF-SACHTLEBAN-STRASSE 4
DUISBURG, GERMANY 47198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070167311
10582827
Correspondence name and address
JAMES R. CRAWFORD
FULBRIGHT & JAWORSKI L.L.P.
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 3
Reel/Frame:020291/0091   Pages: 6
Recorded: 12/19/2007
Attorney Dkt #:DNAG-339(10714778)
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HIRTHE, BERND
Exec Dt:
10/22/2007
2
PROFT, BERND
Exec Dt:
10/23/2007
3
WINKLER, JOCHEN
Exec Dt:
10/19/2007
4
BLUMENTHAL, UDO
Exec Dt:
11/06/2007
5
FINK, GERHARD
Exec Dt:
11/06/2007
6
HAUSCHILD, KLAUS
Exec Dt:
11/06/2007
Assignees
1
SACHTLEBEN CHEMIE GMBH
DR.-RUDOLF-SACHTLEBEN-STRASSE 4
DUISBURG, GERMANY 47198
2
STUDIENGESELLSCHAFT KOHLE MBM
KAISER-WILHELM-PLATZ 1
MULHEIM AN DE RUHR, GERMANY 45470
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7666958
US20080227935
11909475
Correspondence name and address
JAMES R. CRAWFORD
FULBRIGHT & JAWORSKI L.L.P.
666 FIFTH AVENUE
NEW YORK, NY 10103
Assignment: 4
Reel/Frame:021834/0510   Pages: 3
Recorded: 11/13/2008
Attorney Dkt #:DNAG-357
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GESENHUES, ULRICH
Exec Dt:
10/22/2008
2
PROFT, BERND
Exec Dt:
10/22/2008
3
HIRSCHBERG, ELKE
Exec Dt:
10/23/2008
Assignee
1
SACHTLEBEN CHEMIE GMBH
DR.-RUDOLF-SACHTLEBEN-STRASSE 4
DUISBURG, GERMANY 47198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090186953
12162392
Correspondence name and address
JAMES R. CRAWFORD
FULBRIGHT & JAWORSKI L.L.P.
666 FIFTH AVENUE
NEW YORK, N.Y. 10103
Assignment: 5
Reel/Frame:026154/0542   Pages: 2
Recorded: 04/20/2011
Attorney Dkt #:436N.0010
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PROFT, BERND
Exec Dt:
04/01/2011
2
CLASSEN, ANGELA
Exec Dt:
04/04/2011
3
WINKLER, JOCHEN
Exec Dt:
04/12/2011
Assignee
1
SACHTLEBEN CHEMIE GMBH
DR.-RUDOLF-SACHTLEBEN-STRASSE 4
DUISBURG, GERMANY 47198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110189403
13063942
Correspondence name and address
CAHN & SAMUELS LLP
1100 17TH STREET NW
SUITE 401
WASHINGTON, DC 20036
Assignment: 6
Reel/Frame:026154/0718   Pages: 2
Recorded: 04/20/2011
Attorney Dkt #:436N.0011
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PROFT, BERND
Exec Dt:
04/11/2011
2
DEHNEN, MARTIN
Exec Dt:
04/18/2011
Assignee
1
SACHTLEBEN CHEMIE GMBH
DR.-RUDOLF-SACHTLEBEN-STRASSE 4
DUISBURG, GERMANY 47198
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110185945
13063943
Correspondence name and address
CAHN & SAMUELS LLP
1100 17TH STREET NW
SUITE 401
WASHINGTON, DC 20036
Assignment: 7
Reel/Frame:029468/0656   Pages: 5
Recorded: 12/14/2012
Attorney Dkt #:436N.0015
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
AUER, GERHARD
Exec Dt:
11/28/2012
2
EICKHAUS, HOLGER
Exec Dt:
11/28/2012
3
GUENNEL, HORST
Exec Dt:
11/28/2012
4
SCHUY, WERNER
Exec Dt:
11/28/2012
5
PROFT, BERND
Exec Dt:
11/28/2012
6
VAN DEN BERG, MAURITS
Exec Dt:
11/28/2012
Assignee
1
SACHTLEBEN PIGMENT GMBH
RHEINUFERSTRASSE 7-9
KREFELD, GERMANY 47829
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8668888
US20130184149
13698067
Correspondence name and address
CAHN & SAMUELS LLP
1100 17TH STREET NW
SUITE 401
WASHINGTON, DC 20036
Assignment: 8
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

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