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Patent Assignment Assignor Details
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Assignor Name : KOTTENHAHN, MATTHIAS
Total Assignments: 20
Assignment: 1
Reel/Frame:006227/0612   Pages: 3
Recorded: 07/13/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
KOTTENHAHN, MATTHIAS
Exec Dt:
07/07/1992
2
DRAUZ, KARLHEINZ
Exec Dt:
07/07/1992
3
HARR, HORST
Exec Dt:
07/07/1992
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT, A GERMAN CORP.
WEISSFRAUENSTRASSE 9
6000 FRANKFURT AM MAIN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5387696
NONE
07912684
Correspondence name and address
LAWRENCE A. HYMO
CUSHMAN, DARBY & CUSHMAN
1615 L. STREET N.W.
ELEVENTH FLOOR
WASHINGTON, D.C. 20036-5601
Assignment: 2
Reel/Frame:006436/0167   Pages: 3
Recorded: 12/21/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SEEBACH, DIETER
Exec Dt:
11/09/1992
2
DRAUZ, KARLHEINZ
Exec Dt:
11/03/1992
3
KOTTENHAHN, MATTHIAS
Exec Dt:
11/03/1992
4
LOTTER, HERMANN
Exec Dt:
11/03/1992
5
SCHWARM, MICHAEL
Exec Dt:
11/03/1992
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
6000 FRANKFURT AM MAIN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5386035
NONE
07974422
Correspondence name and address
LAWRENCE A. HYMO, ESQ.
CUSHMAN, DARBY & CUSHMAN
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR
WASHINGTON, DC 20005-3918
Assignment: 3
Reel/Frame:007559/0606   Pages: 3
Recorded: 05/23/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTTENHAHN, MATTHIAS
Exec Dt:
05/10/1995
2
DRAUZ, KARLHEINZ
Exec Dt:
05/12/1995
3
BOMMARIUS, ANDREAS
Exec Dt:
05/12/1995
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5608076
NONE
08416855
Correspondence name and address
CUSHMAN DARBY & CUSHMAN, L.L.P.
KEVIN F. JOYCE
1100 NEW YORK AVE., NW
NINTH FLOOR, EAST TOWER
WASHINGTON, DC 20005-3918
Assignment: 4
Reel/Frame:007693/0187   Pages: 3
Recorded: 09/05/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DRAUZ, KARLHEINZ
Exec Dt:
08/03/1995
2
KOTTENHAHN, MATTHIAS
Exec Dt:
08/07/1995
3
KRAFT, MICHAEL
Exec Dt:
08/14/1995
4
SCHWARM, MICHAEL
Exec Dt:
08/03/1995
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-6000 FRANKFURT AM MAIN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5585500
NONE
08501282
Correspondence name and address
CUSHMAN DARBY & CUSHMAN, L.L.P.
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, DC 20005-3918
Assignment: 5
Reel/Frame:007995/0143   Pages: 2
Recorded: 05/16/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTTENHAHN, MATTHIAS
Exec Dt:
03/31/1996
2
DRAUZ, KARLHEINZ
Exec Dt:
04/08/1996
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5616727
NONE
08616885
Correspondence name and address
CUSHMAN DARBY & CUSHMAN, L.L.P.
KEVIN E. JOYCE
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 6
Reel/Frame:008090/0552   Pages: 2
Recorded: 06/27/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DRAUZ, KARLHEINZ
Exec Dt:
06/21/1996
2
KOTTENHAHN, MATTHIAS
Exec Dt:
06/19/1996
3
STINGL, KLAUS
Exec Dt:
06/21/1996
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5631385
NONE
08671535
Correspondence name and address
CUSHMAN DARBY & CUSHMAN, LLP
KEVIN E. JOYCE
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 7
Reel/Frame:008230/0937   Pages: 2
Recorded: 10/03/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DRAUZ, KARLHEINZ
Exec Dt:
08/26/1996
2
BOMMARIUS, ANDREAS
Exec Dt:
08/26/1996
3
KOTTENHAHN, MATTHIAS
Exec Dt:
08/26/1996
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5707837
NONE
08696805
Correspondence name and address
CUSHMAN DARBY & CUSHMAN
KEVIN E. JOYCE
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 8
Reel/Frame:008494/0935   Pages: 3
Recorded: 03/03/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTTENHAHN, MATTHIAS
Exec Dt:
02/20/1997
2
DRAUZ, KARLHEINZ
Exec Dt:
02/20/1997
3
HILPERT, HANS
Exec Dt:
02/20/1997
Assignees
1
F. HOFFMANN-LA ROCHE AG
GRENZACHER STRASSE 124
CH-4002 BASEL, SWITZERLAND
2
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5859248
NONE
08793711
Correspondence name and address
CUSHMAN DARBY & CUSHMAN
KEVIN E. JOYCE
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 9
Reel/Frame:009432/0303   Pages: 3
Recorded: 08/21/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTTENHAHN, MATTHIAS
Exec Dt:
02/20/1997
2
DRAUZ, KARLHEINZ
Exec Dt:
02/20/1997
3
HILPERT, HANS
Exec Dt:
02/24/1997
Assignees
1
E. HOFFMANN-LAROCHE AG
GRENZACHER STRASSE 124
CH-4002 BASEL, SWITZERLAND
2
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5994555
NONE
09138340
Correspondence name and address
CUSHMAN DARBY & CUSHMAN
KEVIN E. JOYCE
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, DC 20005-3918
Assignment: 10
Reel/Frame:008501/0548   Pages: 3
Recorded: 03/03/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTTENHAHN, MATTHIAS
Exec Dt:
02/21/1997
2
DRAUZ, KARLHEINZ
Exec Dt:
02/21/1997
3
HILPERT, HANS
Exec Dt:
02/21/1997
Assignees
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
2
F. HOFFMANN-LA ROCHE AG
GRENZACHER STRASSE 124
CH-4002 BASEL, SWITZERLAND
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5744611
NONE
08793702
Correspondence name and address
CUSHMAN DARBY & CUSHMAN
KEVIN E. JOYCE
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 11
Reel/Frame:008986/0302   Pages: 2
Recorded: 02/24/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTTENHAHN, MATTHIAS
Exec Dt:
11/06/1997
2
MOLLER, ROLAND
Exec Dt:
11/11/1997
3
KRAFT, MICHAEL
Exec Dt:
11/11/1997
4
DRAUZ, KARLHEINZ
Exec Dt:
11/14/1997
5
STINGL, KLAUS
Exec Dt:
11/11/1997
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5907044
NONE
08951579
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
RUTH N. MORDUCH
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 12
Reel/Frame:009696/0566   Pages: 2
Recorded: 12/24/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTTENHAHN, MATTHIAS
Exec Dt:
11/06/1997
2
MOLLER, ROLAND
Exec Dt:
11/11/1997
3
KRAFT, MICHAEL
Exec Dt:
11/11/1997
4
DRAUZ, KARLHEINZ
Exec Dt:
11/14/1997
5
STINGL, KLAUS
Exec Dt:
11/11/1997
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6455705
NONE
09220693
Correspondence name and address
PILLSBURY MADISON & SUTRO LLP
RUTH N. MORDUCH
1100 NEW YORK AVENUE, N.W.
NINTH FLOOR, EAST TOWER
WASHINGTON, D.C. 20005-3918
Assignment: 13
Reel/Frame:009639/0921   Pages: 3
Recorded: 12/10/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
STINGL, KLAUS
Exec Dt:
01/19/1998
2
KOTTENHAHN, MATTHIAS
Exec Dt:
01/20/1998
3
DRAUZ, KARLHEINZ
Exec Dt:
01/21/1998
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5932758
NONE
09000627
Correspondence name and address
OMRI M. BEHR, ESQ.
325 PIERSON AVENUE
EDISON, NJ 08837
Assignment: 14
Reel/Frame:009305/0645   Pages: 5
Recorded: 07/13/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BOMMARIUS, ANDREAS
Exec Dt:
01/16/1998
2
DRAUZ, KARLHEINZ
Exec Dt:
01/19/1998
3
EICHHORN, UWE
Exec Dt:
01/31/1998
4
JAKUBKE, HANSODIETER
Exec Dt:
01/31/1998
5
KOTTENHAHN, MATTHIAS
Exec Dt:
01/21/1998
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6251625
NONE
09011859
Correspondence name and address
OMRI M. BEHR
325 PIERSON AVENUE
EDISON, NJ 08837
Assignment: 15
Reel/Frame:009780/0328   Pages: 6
Recorded: 12/24/1998
Conveyance: CORRECT ASSIGNMENT TO CORRECT NAME OF THE ASSIGNOR, FILED ON 7-13-98 RECORDED ON REEL 9305 FRAME 0645. ASSIGNOR HEREBY CONFIRMS THE ASSIGNMENT OF THE ENTIRE INTEREST.
Assignors
1
BOMMARIUS, ANDREAS
Exec Dt:
01/16/1998
2
DRAUZ, KARLHEINZ
Exec Dt:
01/19/1998
3
EICHHRON, UWE
Exec Dt:
01/31/1998
4
JAKUBKE, HANS-DIETER
Exec Dt:
01/31/1998
5
KOTTENHAHN, MATTHIAS
Exec Dt:
01/21/1998
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311, FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6251625
NONE
09011859
Correspondence name and address
OMRI M. BEHR, ESQ.
325 PIERSON AVENUE
EDISON, NJ 08837
Assignment: 16
Reel/Frame:009107/0197   Pages: 3
Recorded: 03/24/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTTENHAHN, MATTHIAS
Exec Dt:
03/10/1998
2
STINGL, KLAUS
Exec Dt:
03/11/1998
3
DRAUZ, KARLHEINZ
Exec Dt:
03/14/1998
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6093823
NONE
09047280
Correspondence name and address
OMRI M. BEHR, ESQ.
325 PIERSON AVENUE
EDISON, NJ 08837
Assignment: 17
Reel/Frame:009303/0777   Pages: 5
Recorded: 07/06/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ALTENBACH, HANS-JOSEF
Exec Dt:
03/13/1998
2
KOTTENHAHN, MATTHIAS
Exec Dt:
03/10/1998
3
MATTHAUS, MIKE
Exec Dt:
03/18/1998
4
VOGT, ANNEGRET
Exec Dt:
03/10/1998
5
GRUNDLER, ANDREAS
Exec Dt:
03/16/1998
6
HAHN, MICHAEL
Exec Dt:
03/16/1998
Assignee
1
DEGUSSA AKTIENGESELLSCHAFT
WEISSFRAUENSTRASSE 9
D-60311 FRANKFURT, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6018050
NONE
09043038
Correspondence name and address
OMRI M. BEHR, ESQ.
325 PIERSON AVENUE
EDISON, NJ 08837
Assignment: 18
Reel/Frame:013173/0944   Pages: 5
Recorded: 08/08/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOTTENHAHN, MATTHIAS
Exec Dt:
06/08/2002
2
KNAUP, GUENTER
Exec Dt:
06/11/2002
3
DRAUZ, KARLHEINZ
Exec Dt:
06/16/2002
4
LAHAV, MEIR
Exec Dt:
06/26/2002
5
ZBAIDA, DAVID
Exec Dt:
06/26/2002
Assignees
1
DEGUSSA AG
BENNIGSENPLATZ 1,
40474 DUESSELDORF,, GERMANY
2
YEDA RESEARCH AND DEVELOPMENT CO., LTD.
WEIZMANN INSTITUTE OF SCIENCE
P.O. BOX 95,
76100 REHOVOT,, ISRAEL
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6673942
NONE
10181411
Correspondence name and address
OBLON SPIVAK
MCCLELLAND ET AL.
1755 JEFFERSON DAVIS HWY., 4TH FL.
ARLINGTON, VA 22202
Assignment: 19
Reel/Frame:024691/0083   Pages: 17
Recorded: 07/15/2010
Attorney Dkt #:032301.663
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KARAU, ANDREAS
Exec Dt:
07/01/2010
2
GEBHARDT, HENRIKE
Exec Dt:
06/16/2010
3
WINDHAB, NORBERT
Exec Dt:
06/04/2010
4
KOTTENHAHN, MATTHIAS
Exec Dt:
05/14/2010
5
LIU, YUEFEI
Exec Dt:
06/14/2010
6
STEINACKER, JURGEN
Exec Dt:
04/09/2010
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRABE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100280123
12752706
Correspondence name and address
SUZANNAH K. SUNDBY, ESQ.
1130 CONNECTICUT AVE., NW, #1130
SMITH, GAMBRELL & RUSSELL, LLP
WASHINGTON, DC 20036
Assignment: 20
Reel/Frame:036555/0209   Pages: 17
Recorded: 09/14/2015
Attorney Dkt #:032301.663DIV1
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KARAU, ANDREAS
Exec Dt:
01/07/2010
2
GEBHARDT, HENRIKE
Exec Dt:
04/16/2010
3
WINDHAB, NORBERT
Exec Dt:
04/08/2010
4
KOTTENHAHN, MATTHIAS
Exec Dt:
05/14/2010
5
STEINACKER, JURGEN
Exec Dt:
04/09/2010
6
LIU, YUEFEI
Exec Dt:
04/14/2010
Assignee
1
EVONIK DEGUSSA GMBH
RELLINGHAUSER STRABE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20150174088
14582571
Correspondence name and address
SMITH, GAMBRELL & RUSSELL, LLP
1055 THOMAS JEFFERSON STREET
SUITE 400
WASHINGTON, DC 20007

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