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Patent Assignment Assignor Details
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Assignor Name : KLIMMASCH, THOMAS
Total Assignments: 19
Assignment: 1
Reel/Frame:007250/0739   Pages: 2
Recorded: 11/08/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KONIG, EBERHARD
Exec Dt:
08/31/1994
2
ENGBERT, THEODOR
Exec Dt:
08/30/1994
3
KLIMMASCH, THOMAS
Exec Dt:
08/31/1994
4
BOCK, MANFRED
Exec Dt:
08/30/1994
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONZERNVERWALTUNG RP, PATENTABTEILUNG
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5523377
NONE
08336029
Correspondence name and address
MILES INC.
THOMAS W. ROY
PATENT DEPT.
MOBAY ROAD
PITTSBURGH, PA 15205
Assignment: 2
Reel/Frame:011991/0278   Pages: 2
Recorded: 05/31/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KONIG, EBERHARD
Exec Dt:
03/30/2001
2
MEIER-WESTHUES, HANS-ULRICH
Exec Dt:
04/03/2001
3
KLIMMASCH, THOMAS
Exec Dt:
04/03/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6559264
NONE
09857087
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 3
Reel/Frame:013822/0281   Pages: 2
Recorded: 11/01/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOENIG, EBERHARD
Exec Dt:
10/13/2002
2
HALPAAP, REINHARD
Exec Dt:
09/18/2002
3
KLIMMASCH, THOMAS
Exec Dt:
09/23/2002
4
MEIER-WESTHUES, HANS-ULRICH
Exec Dt:
09/24/2002
5
MERTES, HARALD
Exec Dt:
09/26/2002
6
SCHUELL, JOACHIM
Exec Dt:
09/24/2002
7
STEINHILBER, BERND
Exec Dt:
09/25/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6713556
US20030171488
10275088
Correspondence name and address
BAYER CORPORATION
DONNA J. VEATCH
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 4
Reel/Frame:014174/0477   Pages: 3
Recorded: 06/10/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GURTLER, CHRISTOPH
Exec Dt:
04/30/2003
2
MAZANCK, JAN
Exec Dt:
04/30/2003
3
PETZOLDT, JOACHIM
Exec Dt:
05/06/2003
4
KLIMMASCH, THOMAS
Exec Dt:
05/07/2003
5
MULLER, HEINO
Exec Dt:
05/06/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
GERMANY D 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030236360
10459033
Correspondence name and address
BAYER POLYMERS LLC
JOSEPH C. GIL
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:015518/0993   Pages: 3
Recorded: 06/23/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAZANEK, JAN
Exec Dt:
03/16/2004
2
HALPAAP, REINHARD
Exec Dt:
03/16/2004
3
MECHTEL, MARKUS
Exec Dt:
03/22/2004
4
KLIMMASCH, THOMAS
Exec Dt:
03/17/2004
5
THIEBES, CHRISTOPH
Exec Dt:
03/16/2004
Assignee
1
BAYER MATERIALSCIENCE AG
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7087676
US20040266969
10874716
Correspondence name and address
BAYER POLYMERS LLC
GARY F. MATZ
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 6
Reel/Frame:016005/0187   Pages: 4
Recorded: 11/15/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WAMPRECHT, CHRISTIAN
Exec Dt:
03/29/2004
2
MECHTEL, MARKUS
Exec Dt:
03/30/2004
3
TILLACK, JOERG
Exec Dt:
03/30/2004
4
KLIMMASCH, THOMAS
Exec Dt:
03/31/2004
Assignee
1
BAYER MATERIALSCIENCE AG
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7196134
US20040242741
10845685
Correspondence name and address
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15203-9741
Assignment: 7
Reel/Frame:017076/0238   Pages: 3
Recorded: 10/04/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFACKER, STEFFEN
Exec Dt:
01/08/2005
2
MECHTEL, MARKUS
Exec Dt:
01/08/2005
3
KLIMMASCH, THOMAS
Exec Dt:
04/08/2005
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060079632
11243000
Correspondence name and address
BAYER MATRIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 25205-9741
Assignment: 8
Reel/Frame:020162/0167   Pages: 3
Recorded: 11/13/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WAMPRECHT, CHRISTIAN
Exec Dt:
10/11/2007
2
MECHTEL, MARKUS
Exec Dt:
10/15/2007
3
KLIMMASCH, THOMAS
Exec Dt:
10/17/2007
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080114133
11983942
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 9
Reel/Frame:020162/0949   Pages: 4
Recorded: 11/15/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NENNEMANN, ARNO
Exec Dt:
10/19/2007
2
MAGER, MICHAEL
Exec Dt:
10/22/2007
3
MECHTEL, MARKUS
Exec Dt:
10/22/2007
4
KLIMMASCH, THOMAS
Exec Dt:
10/23/2007
5
GURTLER, CHRISTOPH
Exec Dt:
10/30/2007
6
WAMPRECHT, CHRISTIAN
Exec Dt:
10/22/2007
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8088880
US20080119601
11985448
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 10
Reel/Frame:020611/0593   Pages: 2
Recorded: 03/06/2008
Attorney Dkt #:15778-00057
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WAMPRECHT, CHRISTIAN
Exec Dt:
12/11/2007
2
MECHTEL, MARKUS
Exec Dt:
12/12/2007
3
KLIMMASCH, THOMAS
Exec Dt:
12/14/2007
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7728076
US20080146767
11983850
Correspondence name and address
ROBERT MCMORROW
1007 NORTH ORANGE STREET
WILMINGTON, DE 19899
Assignment: 11
Reel/Frame:021141/0573   Pages: 3
Recorded: 06/24/2008
Attorney Dkt #:15778-00093-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NENNEMANN, ARNO
Exec Dt:
05/20/2008
2
HOFACKER, STEFFEN
Exec Dt:
05/26/2008
3
MECHTEL, MARKUS
Exec Dt:
05/27/2008
4
KLIMMASCH, THOMAS
Exec Dt:
05/28/2008
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS AND LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20080281025
12116571
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ, LLP
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 12
Reel/Frame:021352/0823   Pages: 4
Recorded: 08/07/2008
Attorney Dkt #:15778-00131-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NENNEMANN, ARNO
Exec Dt:
06/04/2008
2
HOFACKER, STEFFEN
Exec Dt:
06/13/2008
3
MECHTEL, MARKUS
Exec Dt:
06/20/2008
4
KLIMMASCH, THOMAS
Exec Dt:
06/23/2008
5
GUERTLER, CHRISTOPH
Exec Dt:
06/23/2008
Assignee
1
BAYER MATERIALSCIENCE AG
LAW & PATENTS
PATENTS AND LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090008613
12116523
Correspondence name and address
ASHLEY I. PEZZNER
1007 NORTH ORANGE STREET
WILMINGTON, DE 19899
Assignment: 13
Reel/Frame:022194/0864   Pages: 4
Recorded: 02/03/2009
Attorney Dkt #:14069-00240-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
NENNEMANN, ARNO
Exec Dt:
11/19/2008
2
MECHTEL, MARKUS
Exec Dt:
11/10/2008
3
KLIMMASCH, THOMAS
Exec Dt:
11/21/2008
4
GUERTLER, CHRISTOPH
Exec Dt:
11/26/2008
5
MAGER, MICHAEL
Exec Dt:
11/25/2008
6
NIESTEN, MEIKE
Exec Dt:
11/27/2008
7
MALEIKA, ROBERT
Exec Dt:
11/20/2008
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090124727
12267851
Correspondence name and address
EAMONN P. MORRISON
THE NEMOURS BUILDING
1007 NORTH ORANGE STREET, P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 14
Reel/Frame:022246/0346   Pages: 6
Recorded: 02/12/2009
Attorney Dkt #:14069-00240-US
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE EXECUTION DATE FOR THE SECOND INVENTOR PREVIOUSLY RECORDED ON REEL 022194 FRAME 0864. ASSIGNOR(S) HEREBY CONFIRMS THE EXECUTION DATE SHOULD BE 11/20/2008, NOT 11/10/2008.
Assignors
1
NENNEMANN, ARNO
Exec Dt:
11/19/2008
2
MECHTEL, MARKUS
Exec Dt:
11/20/2008
3
KLIMMASCH, THOMAS
Exec Dt:
11/21/2008
4
GUERTLER, CHRISTOPH
Exec Dt:
11/26/2008
5
MAGER, MICHAEL
Exec Dt:
11/25/2008
6
NIESTEN, MEIKE
Exec Dt:
11/27/2008
7
MALEIKA, ROBERT
Exec Dt:
11/20/2008
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20090124727
12267851
Correspondence name and address
EAMONN P. MORRISON
1007 NORTH ORANGE STREET
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 15
Reel/Frame:027891/0795   Pages: 2
Recorded: 03/20/2012
Attorney Dkt #:14069-00341
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KUENZEL, ROLAND
Exec Dt:
02/24/2012
2
BERGER, ARMIN
Exec Dt:
02/24/2012
3
PROTTE, RAINER
Exec Dt:
02/28/2012
4
KLIMMASCH, THOMAS
Exec Dt:
03/01/2012
Assignee
1
BAYER MATERIALSCIENCE AG
BUILDING Q 18
PATENTS & LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120213977
13367502
Correspondence name and address
MATTHEW W. HAMMERSLEY
P O BOX 2207
WILMINGTON, DE 19899
Assignment: 16
Reel/Frame:047235/0661   Pages: 14
Recorded: 10/19/2018
Attorney Dkt #:074023-0799-US-582667
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLIMMASCH, THOMAS
Exec Dt:
09/12/2018
2
WEIKARD, JAN
Exec Dt:
10/05/2018
3
MATNER, MATHIAS
Exec Dt:
10/09/2018
4
ACHTEN, DIRK
Exec Dt:
10/04/2018
5
LAAS, HANS-JOSEF
Exec Dt:
09/04/2018
6
HOCKE, HEIKO
Exec Dt:
09/07/2018
7
MAGER, DIETER
Exec Dt:
09/05/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11286331
US20190144596
16095119
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 17
Reel/Frame:047236/0594   Pages: 10
Recorded: 10/19/2018
Attorney Dkt #:074023-0800-US-582752
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLIMMASCH, THOMAS
Exec Dt:
09/12/2018
2
WEIKARD, JAN
Exec Dt:
10/05/2018
3
LAAS, HANS-JOSEF
Exec Dt:
09/05/2018
4
KOECHER, JUERGEN
Exec Dt:
09/06/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20190144598
16095193
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 18
Reel/Frame:051068/0611   Pages: 11
Recorded: 11/20/2019
Attorney Dkt #:113576.00011
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KLIMMASCH, THOMAS
Exec Dt:
10/18/2019
2
WEIKARD, JAN
Exec Dt:
10/15/2019
3
LAAS, HANS-JOSEF
Exec Dt:
10/15/2019
4
KÖCHER, JÜRGEN
Exec Dt:
10/23/2019
5
AINSWORTH, DAVID
Exec Dt:
10/14/2019
6
ROWLANDS, STEPHEN
Exec Dt:
10/14/2019
7
KREIS, JUSTYNA KATARZYNA
Exec Dt:
10/14/2019
8
LAWES, STEPHEN
Exec Dt:
10/20/2019
9
DESILANI, SEBASTIEN
Exec Dt:
11/15/2019
Assignee
1
OXIS ENERGY LIMITED
E1 CULHAM SCIENCE CENTRE
ABINGDON, OXFORDSHIRE, GREAT BRITAIN OX14 3DB
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11664491
US20190229326
16330730
Correspondence name and address
SQUIRE PATTON BOGGS (US) LLP
275 BATTERY STREET, SUITE 2600
SAN FRANCISCO, CA 94111
Assignment: 19
Reel/Frame:052152/0274   Pages: 8
Recorded: 03/18/2020
Attorney Dkt #:2016P30153WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
11/13/2019
2
WEIKARD, JAN
Exec Dt:
11/20/2019
3
WINTERMANTEL, MATTHIAS
Exec Dt:
11/18/2019
4
MALEIKA, ROBERT
Exec Dt:
11/13/2019
5
KLIMMASCH, THOMAS
Exec Dt:
11/12/2019
6
SCHUETTLER, THOMAS
Exec Dt:
11/25/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11230522
US20200216383
16648344
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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