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Patent Assignment Assignor Details
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Assignor Name : RUWWE, JOHANNES
Total Assignments: 9
Assignment: 1
Reel/Frame:008157/0948   Pages: 2
Recorded: 08/29/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRITZE, CORNELIA
Exec Dt:
08/20/1996
2
HERRMAN, HANS-FRIEDRICH
Exec Dt:
08/20/1996
3
ERKER, GERHARD
Exec Dt:
08/20/1996
4
RUWWE, JOHANNES
Exec Dt:
08/20/1996
Assignee
1
HOECHST AG
FRANKFURT AM MAIN, GERMANY D-659
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5807936
NONE
08662040
Correspondence name and address
CONNOLLY AND HUTZ
ASHLEY I. PEZZNER
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 2
Reel/Frame:011186/0610   Pages: 3
Recorded: 10/11/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRITZE, CORNELIA
Exec Dt:
05/06/1999
2
ERKER, GERHARD
Exec Dt:
05/06/1999
3
RUWWE, JOHANNES
Exec Dt:
05/06/1999
Assignee
1
TAGOR GMBH
5116 MAINZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6537943
NONE
09673147
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 3
Reel/Frame:014164/0385   Pages: 3
Recorded: 06/10/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOEHLER, GUENTHER
Exec Dt:
06/04/2003
2
BRUEHL, KARL-HEINZ
Exec Dt:
06/04/2003
3
RUWWE, JOHANNES
Exec Dt:
06/04/2003
4
NEUMANN, MANFRED
Exec Dt:
06/04/2003
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY D-40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6747176
US20030229255
10457570
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 4
Reel/Frame:014697/0404   Pages: 4
Recorded: 11/12/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RUWWE, JOHANNES
Exec Dt:
10/15/2003
2
STADTMUELLER, KLAUS
Exec Dt:
10/15/2003
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY 40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7273956
US20040097759
10704808
Correspondence name and address
OBLON, SPIVAK, MCCLELLAND, MAIER & NEUST
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 5
Reel/Frame:015128/0991   Pages: 3
Recorded: 03/22/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RUWWE, JOHANNES
Exec Dt:
03/09/2004
2
BRUEHL, JUTTA
Exec Dt:
03/09/2004
3
OSTERHOLT, CLEMENS
Exec Dt:
03/09/2004
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
DUESSELDORF, GERMANY D-40474
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20040186304
10805257
Correspondence name and address
OBLON, SPIVAK, MCCLELAND, ET AL.
NORMAN F. OBLON
1940 DUKE STREET
ALEXANDRIA, VIRGINIA 22314
Assignment: 6
Reel/Frame:018203/0322   Pages: 7
Recorded: 08/15/2006
Attorney Dkt #:283382US0
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RUWWE, JOHANNES
Exec Dt:
07/19/2006
2
HESSING, JUTTA
Exec Dt:
07/25/2006
3
BODMANN, KERSTIN
Exec Dt:
07/27/2006
Assignee
1
DEGUSSA AG
BENNIGSENPLATZ 1
40474 DUESSELDORF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7297812
US20060281930
11408102
Correspondence name and address
C IRVIN MCCLELLAND
OBLON SPIVAK MCCLELLAND MAIER ET.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 7
Reel/Frame:021376/0640   Pages: 17
Recorded: 08/12/2008
Attorney Dkt #:7601/18000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RUWWE, JOHANNES
Exec Dt:
06/20/2008
2
KRUGER, KAI-MARTIN
Exec Dt:
06/25/2008
3
KNIPPENBERG, UDO
Exec Dt:
06/19/2008
4
BREHME, VOLKER
Exec Dt:
06/23/2008
5
NEUMANN, MANFRED
Exec Dt:
06/26/2008
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7847133
US20080296786
12153888
Correspondence name and address
MICHAEL A. SANZO
15400 CALHOUN DRIVE
SUITE 125
ROCKVILLE, MD 20855
Assignment: 8
Reel/Frame:027320/0322   Pages: 8
Recorded: 12/02/2011
Attorney Dkt #:382837US99
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RUWWE, JOHANNES
Exec Dt:
09/19/2011
2
LICHTENHELDT, MARTIN
Exec Dt:
09/23/2011
3
ORLIA, WOLFGANG-WILHELM
Exec Dt:
09/26/2011
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120066965
13234293
Correspondence name and address
OBLON, SPIVAK, ET AL.
1940 DUKE STREET
ALEXANDRIA, VA 22314
Assignment: 9
Reel/Frame:028585/0782   Pages: 10
Recorded: 07/19/2012
Attorney Dkt #:399848US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RUWWE, JOHANNES
Exec Dt:
07/05/2012
2
LICHTENHELDT, MARTIN
Exec Dt:
07/05/2012
3
FRANK, MICHAEL
Exec Dt:
07/05/2012
4
BEU, AXEL
Exec Dt:
07/05/2012
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130023683
13552707
Correspondence name and address
OBLON, SPIVAK ET AL
1940 DUKE STREET
ALEXANDRIA, VA 22314

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