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Patent Assignment Assignor Details
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Assignor Name : GUENZEL, BERND
Total Assignments: 13
Assignment: 1
Reel/Frame:009021/0649   Pages: 3
Recorded: 02/20/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIROBSKI, REINHARD
Exec Dt:
01/22/1998
2
GUENZEL, BERND
Exec Dt:
01/22/1998
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
D-45764 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5830922
NONE
09026535
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, ET AL.
FREDERICK D. VASTINE
1755 JEFFERSON DAVIS HIGHWAY, 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:009433/0862   Pages: 3
Recorded: 09/02/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIROBSKI, REINHARD
Exec Dt:
08/18/1998
2
TRAEGER, MICHAEL
Exec Dt:
08/18/1998
3
GUENZEL, BERND
Exec Dt:
08/18/1998
Assignee
1
HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE 1
45772 MARL, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6013687
NONE
09145610
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL.
NORMAN F. OLBON
FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 3
Reel/Frame:010352/0231   Pages: 3
Recorded: 10/25/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRUND, GERDA
Exec Dt:
07/21/1999
2
GUENZEL, BERND
Exec Dt:
07/21/1999
Assignee
1
DEGUSSA-HUELS AKTIENGESELLSCHAFT
PAUL-BAUMANN-STRASSE
1 MARL 45764, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6613946
US20020004616
09425011
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER ET AL.
JAMES J. KELLY, PH.D.
ATTORNEYS AT LAW, FOURTH FLOOR
1755 JEFFERSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 4
Reel/Frame:010538/0310   Pages: 3
Recorded: 01/27/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ESSER, PETER ERNST
Exec Dt:
12/23/1999
2
SCHIFFER, THOMAS
Exec Dt:
12/23/1999
3
GUENZEL, BERND
Exec Dt:
12/23/1999
4
OENBRINK, GEORG
Exec Dt:
12/23/1999
Assignee
1
DEGUSSA-HUELS AG
D-60287 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6444855
NONE
09492193
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER, ET AL
FREDERICK D. VASTINE, PH.D.
FOURTH FLOOR
1755 JEFFERFSON DAVIS HIGHWAY
ARLINGTON, VIRGINIA 22202
Assignment: 5
Reel/Frame:014596/0924   Pages: 3
Recorded: 10/09/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HERWIG, JUERGEN
Exec Dt:
10/08/2003
2
ROOS, MARTIN
Exec Dt:
10/08/2003
3
OENBRINK, GEORG
Exec Dt:
10/08/2003
4
GUENZEL, BERND
Exec Dt:
10/08/2003
5
LOHMAR, JOERG
Exec Dt:
10/08/2003
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY D-40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6828449
US20040073051
10681282
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 6
Reel/Frame:014868/0771   Pages: 3
Recorded: 01/09/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HERWIG, JUERGEN
Exec Dt:
11/10/2003
2
ROOS, MARTIN
Exec Dt:
11/10/2003
3
OENBRINK, GEORG
Exec Dt:
11/10/2003
4
GUENZEL, BERND
Exec Dt:
11/10/2003
5
LOHMAR, JOERG
Exec Dt:
11/10/2003
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6861540
US20040116722
10683047
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND & ET AL
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 7
Reel/Frame:016247/0426   Pages: 6
Recorded: 02/08/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HERWIG, JUERGEN
Exec Dt:
06/03/2004
2
WILCZOK, NORBERT
Exec Dt:
06/04/2004
3
ROOS, MARTIN
Exec Dt:
06/09/2004
4
BURGHARDT, RUDOLF
Exec Dt:
06/09/2004
5
GAUBE, JOHANN
Exec Dt:
06/17/2004
6
OENBRINK, GEORG
Exec Dt:
06/14/2004
7
GUENZEL, BERND
Exec Dt:
06/09/2004
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
D-40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7253329
US20040225168
10790094
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 8
Reel/Frame:019107/0260   Pages: 4
Recorded: 04/03/2007
Attorney Dkt #:286540US0PCT
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HERWIG, JUERGEN
Exec Dt:
03/28/2006
2
ROOS, MARTIN
Exec Dt:
03/28/2006
3
OENBRINK, GEORG
Exec Dt:
03/28/2006
4
GUENZEL, BERND
Exec Dt:
03/28/2006
5
KUPPERT, DIRK
Exec Dt:
03/28/2006
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY 40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7608738
US20080249300
10572594
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:019537/0622   Pages: 10
Recorded: 07/10/2007
Attorney Dkt #:306665US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RICHTER, ALEXANDER
Exec Dt:
05/16/2007
2
SCHIEMANN, VERA
Exec Dt:
05/16/2007
3
MAUL, JUERGEN
Exec Dt:
05/16/2007
4
GUENZEL, BERND
Exec Dt:
05/16/2007
Assignee
1
DEGUSSA GMBH
BENNIGSENPLATZ 1,
DUESSELDORF, GERMANY 40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070265414
11746718
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 10
Reel/Frame:019570/0112   Pages: 12
Recorded: 07/18/2007
Attorney Dkt #:307794US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RICHTER, ALEXANDER
Exec Dt:
05/23/2007
2
SCHIEMANN, VERA
Exec Dt:
05/23/2007
3
GUENZEL, BERND
Exec Dt:
05/23/2007
4
JILG, BORIS
Exec Dt:
05/23/2007
5
UHLICH, WILFRIED
Exec Dt:
05/23/2007
Assignee
1
DEGUSSA GMBH
BENNIGSENPLATZ 1,
DUESSELDORF, GERMANY 40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7786245
US20070265415
11747980
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 11
Reel/Frame:019947/0063   Pages: 14
Recorded: 10/11/2007
Attorney Dkt #:311522US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RICHTER, ALEXANDER
Exec Dt:
07/03/2007
2
GUENZEL, BERND
Exec Dt:
07/03/2007
3
BIERHAUS, CHRISTIAN
Exec Dt:
08/20/2007
4
KREIDLER, PATRICK
Exec Dt:
08/20/2007
5
NORDHOFF, STEFAN
Exec Dt:
06/29/2007
6
KRENZ, MICHAEL
Exec Dt:
06/20/2007
Assignee
1
DEGUSSA GMBH
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY 40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080085990
11813881
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 12
Reel/Frame:021910/0032   Pages: 14
Recorded: 12/02/2008
Attorney Dkt #:331597US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HENGSTERMANN, AXEL
Exec Dt:
11/05/2008
2
MEIER, RALF
Exec Dt:
11/05/2008
3
GUENZEL, BERND
Exec Dt:
10/06/2008
4
ROOS, MARTIN
Exec Dt:
11/07/2008
5
SCHAEFLEIN, STEPHAN
Exec Dt:
11/07/2008
6
MODROW, BERND-HOLGER
Exec Dt:
11/17/2008
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7807826
US20090088567
12244452
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 13
Reel/Frame:025723/0750   Pages: 14
Recorded: 01/31/2011
Attorney Dkt #:365702US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HENGSTERMANN, AXEL
Exec Dt:
12/03/2010
2
MEIER, RALF
Exec Dt:
12/03/2010
3
DEMICOLI, DANIEL
Exec Dt:
12/03/2010
4
ROOS, MARTIN
Exec Dt:
12/03/2010
5
GUENZEL, BERND
Exec Dt:
12/03/2010
6
HUEBNER, FRANK
Exec Dt:
12/03/2010
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8399658
US20110124855
12951289
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314

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