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Patent Assignment Assignor Details
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Assignor Name : SCHAEFER, DIETMAR
Total Assignments: 25
Assignment: 1
Reel/Frame:004859/0607   Pages: 1
Recorded: 02/10/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHAEFER, DIETMAR
Exec Dt:
02/01/1988
2
KRAKENBERG, MANFRED
Exec Dt:
02/01/1988
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
4300 ESSEN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4833225
NONE
07154964
Correspondence name and address
TOREN, MC GEADY & ASSOCIATES
521 FIFTH AVE.
NEW YORK, NY 10175
Assignment: 2
Reel/Frame:004907/0525   Pages: 1
Recorded: 07/11/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BURKHART, GEORG
Exec Dt:
07/01/1988
2
MOHRING, VOLKER
Exec Dt:
07/01/1988
3
SCHAEFER, DIETMAR
Exec Dt:
07/01/1988
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100,
4300 ESSEN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4837244
NONE
07217427
Correspondence name and address
TOREN, MC GEADY & ASSOCIATES
521 FIFTH AVE.
NEW YORK, NY 10175
Assignment: 3
Reel/Frame:004949/0966   Pages: 1
Recorded: 09/16/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHAEFER, DIETMAR
Exec Dt:
08/22/1988
2
HOFFMANN, KLAUS
Exec Dt:
08/22/1988
Assignee
1
TH. GOLDSCHMIDT AG, GOLDSCHMIDTSTRASSE 100, 4300 ESSEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4844826
NONE
07245824
Correspondence name and address
TOREN, MC GEADY & ASSOCIATES
521 FIFTH AVE.
NEW YORK, NY 10175
Assignment: 4
Reel/Frame:004963/0739   Pages: 1
Recorded: 10/17/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ZSIFKOVITS, WILHELM
Exec Dt:
09/05/1988
2
GRUNING, BURGHARD
Exec Dt:
09/05/1988
3
KOLLMEIER, HANS-JOACHIM
Exec Dt:
09/05/1988
4
SCHAEFER, DIETMAR
Exec Dt:
09/05/1988
5
WEITEMEYER, CHRISTIAN
Exec Dt:
09/05/1988
Assignees
1
F.JOH. KWIZDA GESELLSCHAFT M.B.H., DR. KARL
LUEGER-RING 6 A-1011
VIENNA, AUSTRIA
2
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
D-4300 ESSEN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4931362
NONE
07233667
Correspondence name and address
TOREN, MC GEADY & ASSOCIATES
521 FIFTH AVENUE
NEW YORK, NY 10175
Assignment: 5
Reel/Frame:005022/0315   Pages: 1
Recorded: 01/17/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHAEFER, DIETMAR
Exec Dt:
01/04/1989
2
NICKEL, FRIEDHELM
Exec Dt:
01/04/1989
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
43 ESSEN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4921895
NONE
07298123
Correspondence name and address
TOREN, MC GEADY & ASSOCIATES
521 FIFTH AVE.
NEW YORK, NY 10175
Assignment: 6
Reel/Frame:005152/0641   Pages: 1
Recorded: 06/19/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHAEFER, DIETMAR
Exec Dt:
04/14/1989
2
KRAKENBERG, MANFRED
Exec Dt:
04/14/1989
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
4300 ESSEN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4891166
NONE
07348089
Correspondence name and address
TOREN, MC GEADY & ASSOCIATES
521 FIFTH AVENUE
NEW YORK, NY 10175
Assignment: 7
Reel/Frame:005158/0447   Pages: 1
Recorded: 10/12/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHAEFER, DIETMAR
Exec Dt:
10/03/1989
2
HOHNER, WERNER
Exec Dt:
10/03/1989
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
4300 ESSEN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5246607
NONE
07420348
Correspondence name and address
TOREN, MC GEADY & ASSOCIATES
521 FIFTH AVENUE
NEW YORK, NY 10175
Assignment: 8
Reel/Frame:005192/0379   Pages: 1
Recorded: 12/08/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FOCK, JURGEN
Exec Dt:
11/09/1989
2
SCHAEFER, DIETMAR
Exec Dt:
11/09/1989
3
ESSELBORN, EBERHARD
Exec Dt:
11/09/1989
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
4300 ESSEN 1, FEDERAL REPUBLIC OF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5057579
NONE
07448169
Correspondence name and address
TOREN, MC GEADY AND ASSOCIATES
521 FIFTH AVE.,
NEW YORK, NY 10175
Assignment: 9
Reel/Frame:005323/0025   Pages: 2
Recorded: 05/07/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FOCK, JURGEN
Exec Dt:
12/21/1989
2
SCHAEFER, DIETMAR
Exec Dt:
12/21/1989
3
ESSELBORN, EBERHARD
Exec Dt:
12/21/1989
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
4300 ESSEN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5057580
NONE
07448168
Correspondence name and address
TOREN, MC GEADY & ASSOCIATES
521 FIFTH AVENUE
NEW YORK, NY 10175
Assignment: 10
Reel/Frame:005220/0340   Pages: 1
Recorded: 01/29/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FOCK, JURGEN
Exec Dt:
01/16/1990
2
ESSELBORN, EBERHARD
Exec Dt:
01/16/1990
3
SCHAEFER, DIETMAR
Exec Dt:
01/16/1990
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
4300 ESSEN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5133898
NONE
07471554
Correspondence name and address
TOREN, MCGEADY & ASSOCIATES
521 FIFTH AVE.
NEW YORK, NY 10175
Assignment: 11
Reel/Frame:005598/0780   Pages: 2
Recorded: 01/31/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ESSELBORN, EBERHARD
Exec Dt:
01/22/1991
2
FOCK, JURGEN
Exec Dt:
01/22/1991
3
KOERNER, GOTZ
Exec Dt:
01/22/1991
4
SCHAEFER, DIETMAR
Exec Dt:
01/22/1991
Assignee
1
TH. GOLDSCHMIDT AG,
GOLDSCHMIDTSTRASSE 100
4300 ESSEN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5296573
NONE
07648725
Correspondence name and address
TOREN, MC GEADY & ASSOC.
521 FIFTH AVE.
NEW YORK, NY 10175
Assignment: 12
Reel/Frame:005793/0901   Pages: 2
Recorded: 07/29/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHAEFER, DIETMAR
Exec Dt:
07/16/1991
2
WEIER, ANDREAS
Exec Dt:
07/16/1991
3
WEITEMEYER, CHRISTIAN
Exec Dt:
07/16/1991
4
WEWERS, DIETMAR
Exec Dt:
07/16/1991
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
D-4300 ESSEN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5189184
NONE
07736766
Correspondence name and address
TOREN, MC GEADY & ASSOCIATES
521 5TH AVE.
NEW YORK, NY 10175
Assignment: 13
Reel/Frame:005992/0933   Pages: 2
Recorded: 01/24/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHAEFER, DIETMAR
Exec Dt:
01/13/1992
2
WEIER, ANDREAS
Exec Dt:
01/13/1992
3
WEWERS, DIETMAR
Exec Dt:
01/13/1992
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100 4300 ESSEN 1 FEDERAL REPUBLIC OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5208311
NONE
07825393
Correspondence name and address
TOREN, MCGEADY & ASSOCIATES, P.C.
521 FIFTH AVE.
NEW YORK, NY 10175
Assignment: 14
Reel/Frame:006048/0627   Pages: 2
Recorded: 02/27/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
FOCK, JURGEN
Exec Dt:
02/17/1992
2
ESSELBORN, EBERHARD
Exec Dt:
02/17/1992
3
SCHAEFER, DIETMAR
Exec Dt:
02/17/1992
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100 4300 ESSEN 1, FEDERAL REPUBLIC OF GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5338485
NONE
07843912
Correspondence name and address
AKOO-TOREN
521 FIFTH AVE.
NEW YORK, NY 10175
Assignment: 15
Reel/Frame:006361/0444   Pages: 2
Recorded: 12/09/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
BUSCH, STEFAN
Exec Dt:
11/10/1992
2
LERSCH, PETER
Exec Dt:
11/10/1992
3
SCHAEFER, DIETMAR
Exec Dt:
11/10/1992
4
WEWERS, DIETMAR
Exec Dt:
11/10/1992
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
4300 ESSEN 1 F.R., GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5281687
NONE
07987853
Correspondence name and address
AKOO-TOREN
DAVID TOREN
521 FIFTH AVENUE, 21ST FLOOR
NEW YORK, NY 10175
Assignment: 16
Reel/Frame:006360/0768   Pages: 2
Recorded: 12/03/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HOHNER, WERNER
Exec Dt:
11/11/1992
2
SCHAEFER, DIETMAR
Exec Dt:
11/11/1992
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
4300 ESSEN 1, F.R., GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5387467
NONE
07984752
Correspondence name and address
DAVID TOREN
AKOO-TOREN
521 FIFTH AVENUE, 21ST FLOOR
NEW YORK, NY 10175
Assignment: 17
Reel/Frame:006349/0156   Pages: 2
Recorded: 12/03/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
HOHNER, WERNER
Exec Dt:
11/13/1992
2
SCHAEFER, DIETMAR
Exec Dt:
11/13/1992
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
4300 ESSEN 1, F.R., GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5281478
NONE
07984747
Correspondence name and address
DAVID TOREN
AKOO-TOREN
521 FIFTH AVE., 21ST FLOOR
NEW YORK, NY 10175
Assignment: 18
Reel/Frame:006632/0094   Pages: 2
Recorded: 07/14/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOERNER, GOTZ
Exec Dt:
06/30/1993
2
KLEIN, KLAUS-DIETER
Exec Dt:
06/30/1993
3
SCHAEFER, DIETMAR
Exec Dt:
06/30/1993
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
D-4300 ESSEN 1, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5344949
NONE
08092303
Correspondence name and address
RAJ K. MEHRA
521 FIFTH AVENUE
NEW YORK, NEW YORK 10175
Assignment: 19
Reel/Frame:006883/0855   Pages: 3
Recorded: 02/24/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FELDMANN-KRANE, GEORG
Exec Dt:
01/19/1994
2
HOHNER, WERNER
Exec Dt:
01/19/1994
3
SCHAEFER, DIETMAR
Exec Dt:
01/19/1994
4
SILBER, STEFAN
Exec Dt:
01/19/1994
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
D-45127 ESSEN, FED. REP. OF, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5401871
NONE
08202399
Correspondence name and address
DAVID TOREN
AKOO-TOREN
521 FIFTH AVENUE, 21 FLOOR
NEW YORK, NEW YORK 10175
Assignment: 20
Reel/Frame:007917/0190   Pages: 2
Recorded: 01/31/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOHNER, WERNER
Exec Dt:
01/03/1996
2
SCHAEFER, DIETMAR
Exec Dt:
01/03/1996
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
45127 ESSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5665155
NONE
08595053
Correspondence name and address
AKOO-TOREN
RAJ K. MEHRA
1251 AVENUE OF THE AMERICA, 44TH FL.
NEW YORK, NY 10020
Assignment: 21
Reel/Frame:010373/0723   Pages: 5
Recorded: 11/01/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRUNING, BURGHARD
Exec Dt:
10/22/1999
2
HILLS, GEOFFREY
Exec Dt:
10/04/1999
3
JOSTEN, WOLFGANG
Exec Dt:
10/18/1999
4
SCHAEFER, DIETMAR
Exec Dt:
10/22/1999
5
SILBER, STEFAN
Exec Dt:
10/04/1999
6
WEITEMEYER, CHRISTIAN
Exec Dt:
10/04/1999
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
D-45127 ESSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6288129
NONE
09431438
Correspondence name and address
SCULLY, SCOTT, MURPHY & PRESSER
LEOPOLD PRESSER
400 GARDEN CITY PLAZA
GARDEN CITY, NY 11530
Assignment: 22
Reel/Frame:010373/0742   Pages: 5
Recorded: 11/01/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRUNING, BURGHARD
Exec Dt:
10/22/1999
2
HILLS, GEOFFREY
Exec Dt:
10/04/1999
3
JOSTEN, WOLFGANG
Exec Dt:
10/18/1999
4
SCHAEFER, DIETMAR
Exec Dt:
10/22/1999
5
SILBER, STEFAN
Exec Dt:
10/04/1999
6
WEITEMEYER, CHRISTIAN
Exec Dt:
10/04/1999
Assignee
1
TH. GOLDSCHMIDT AG
GOLDSCHMIDTSTRASSE 100
D-45127 ESSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6268521
NONE
09431448
Correspondence name and address
SCULLY, SCOTT, MURPHY & PRESSER
LEOPOLD PRESSER
400 GARDEN CITY PLAZA
GARDEN CITY, NEW YORK 11530
Assignment: 23
Reel/Frame:052936/0670   Pages: 8
Recorded: 06/15/2020
Attorney Dkt #:060042-00359
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNOTT, WILFRIED
Exec Dt:
05/25/2020
2
DUDZIK, HORST
Exec Dt:
06/08/2020
3
SCHAEFER, DIETMAR
Exec Dt:
05/25/2020
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11286366
US20200377686
16849181
Correspondence name and address
NEXSEN PRUET PLLC
227 WEST TRADE STREET
SUITE 1550
CHARLOTTE, NC 28202
Assignment: 24
Reel/Frame:055440/0143   Pages: 3
Recorded: 03/01/2021
Attorney Dkt #:77830-1245
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNOTT, WILFRIED
Exec Dt:
02/24/2021
2
DUDZIK, HORST
Exec Dt:
02/24/2021
3
SCHAEFER, DIETMAR
Exec Dt:
02/23/2021
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11591448
US20210301099
17177489
Correspondence name and address
TAYLOR ENGLISH DUMA LLP
1600 PARKWOOD CIRCLE
SUITE 200
ATLANTA, GA 30339
Assignment: 25
Reel/Frame:057924/0339   Pages: 6
Recorded: 10/27/2021
Attorney Dkt #:77830-1266
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KNOTT, WILFRIED
Exec Dt:
10/18/2021
2
DUDZIK, HORST
Exec Dt:
10/19/2021
3
SCHAEFER, DIETMAR
Exec Dt:
10/22/2021
Assignee
1
EVONIK OPERATIONS GMBH
RELLINGHAUSER STRASSE 1-11
ESSEN, GERMANY 45128
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11732092
US20220119617
17476417
Correspondence name and address
TAYLOR ENGLISH DUMA LLP
1600 PARKWOOD CIRCLE
SUITE 200
ATLANTA, GA 30339

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