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Patent Assignment Assignor Details
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Assignor Name : MUNDSTOCK, HOLGER
Total Assignments: 22
Assignment: 1
Reel/Frame:011705/0530   Pages: 2
Recorded: 04/16/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WAMPRECHT, CHRISTIAN
Exec Dt:
12/06/2000
2
SONNTAG, MICHAEL
Exec Dt:
12/11/2000
3
MUNDSTOCK, HOLGER
Exec Dt:
01/02/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6380308
NONE
09711743
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 2
Reel/Frame:011665/0678   Pages: 2
Recorded: 03/16/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEIKARD, JAN
Exec Dt:
01/08/2001
2
SONNTAG, MICHAEL
Exec Dt:
01/10/2001
3
MUNDSTOCK, HOLGER
Exec Dt:
01/10/2001
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENT UND LIZENZEN
KONZENBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6500876
US20010038917
09811032
Correspondence name and address
BAYER CORPORATION
THOMAS W. ROY
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 3
Reel/Frame:013038/0978   Pages: 2
Recorded: 02/19/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MECHTEL, MARKUS
Exec Dt:
01/16/2002
2
PUTZ, WOLFGANG
Exec Dt:
01/16/2002
3
SCHMALSTIEG, LUTZ
Exec Dt:
01/16/2002
4
MUNDSTOCK, HOLGER
Exec Dt:
01/16/2002
5
SONNTAG, MICHAEL
Exec Dt:
01/20/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6599635
NONE
10049920
Correspondence name and address
BAYER CORPORATION
PATENT DEPARTMENT
THOMAS W. ROY
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 4
Reel/Frame:016052/0299   Pages: 2
Recorded: 12/03/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEIKARD, JSN
Exec Dt:
10/08/2004
2
MUNDSTOCK, HOLGER
Exec Dt:
10/14/2004
3
SCHMITZ, JOERG
Exec Dt:
10/14/2004
Assignee
1
BAYER MATERIALSCIENCE LLC
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050124714
11003764
Correspondence name and address
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:016647/0984   Pages: 3
Recorded: 06/04/2005
Conveyance: RECORD TO CORRECT THE FIRST ASSIGNOR ON REEL 016052 FRAME 0299
Assignors
1
WEIKARD, JAN
Exec Dt:
10/08/2004
2
MUNDSTOCK, HOLGER
Exec Dt:
10/14/2004
3
SCHMIDT, JORG
Exec Dt:
10/14/2004
Assignee
1
BAYER MATERIALSCIENCE AG
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050124714
11003764
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 6
Reel/Frame:016388/0224   Pages: 3
Recorded: 03/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DETREMBLEUR, CHRISTOPHE
Exec Dt:
02/15/2005
2
WEKARD, JAN
Exec Dt:
01/31/2005
3
GRESZTA-FRANZ, DOROTA
Exec Dt:
02/07/2005
4
RICHTER, FRANK
Exec Dt:
02/07/2005
5
SCHMITZ, JORG
Exec Dt:
01/31/2005
6
FISCHER, WOLFGANG
Exec Dt:
02/07/2005
7
MUNDSTOCK, HOLGER
Exec Dt:
01/31/2005
Assignee
1
BAYER MATERIAL SCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7361723
US20050209427
11080706
Correspondence name and address
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 7
Reel/Frame:016390/0554   Pages: 3
Recorded: 03/14/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DETREMBLEUR, CHRISTOPHE
Exec Dt:
02/18/2005
2
WEIKARD, JAN
Exec Dt:
02/09/2005
3
GRESZTA-FRANZ, DOROTA
Exec Dt:
02/09/2005
4
FISCHER, WOLFGANG
Exec Dt:
02/09/2005
5
SCHMITZ, JOERG
Exec Dt:
02/09/2005
6
MUNDSTOCK, HOLGER
Exec Dt:
02/09/2005
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7381785
US20050209361
11080176
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 8
Reel/Frame:016445/0451   Pages: 2
Recorded: 04/08/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MULLER, HANNS-PETER
Exec Dt:
03/12/2005
2
NIESTEN, MEIKE
Exec Dt:
02/11/2005
3
SCHMITZ, JORG
Exec Dt:
03/07/2005
4
MUNDSTOCK, HOLGER
Exec Dt:
02/16/2005
Assignee
1
BAYER MATERIALSCIENCE AG
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7659358
US20050165199
11037294
Correspondence name and address
BAYER MATERIALSCIEMCE LLC
JOSEPH C. GIL
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 9
Reel/Frame:017259/0506   Pages: 3
Recorded: 11/23/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MUNDSTOCK, HOLGER
Exec Dt:
08/31/2005
2
NIESTEN, MEIKE
Exec Dt:
08/07/2005
3
SCHMITZ, JORG
Exec Dt:
08/31/2005
Assignee
1
BAYER MATERIALSCIENCE AG
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060116482
11287546
Correspondence name and address
THOMAS W. ROY
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 10
Reel/Frame:017122/0662   Pages: 3
Recorded: 10/24/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEIKARD, JAN
Exec Dt:
09/19/2005
2
GRESZTA-FRANZ, DOROTA
Exec Dt:
09/19/2005
3
FISCHER, WOLFGANG
Exec Dt:
09/19/2005
4
SCHMITZ, JORG
Exec Dt:
09/20/2005
5
MUNDSTOCK, HOLGER
Exec Dt:
09/20/2005
6
DETREMBLEUR, CHRISTOPHE
Exec Dt:
09/23/2005
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8980970
US20060052527
11217725
Correspondence name and address
THOMAS W. ROY
MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 11
Reel/Frame:017126/0833   Pages: 4
Recorded: 10/28/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEIKARD, JAN
Exec Dt:
09/19/2005
2
DETREMBLEUR, CHRISTOPHE
Exec Dt:
09/29/2005
3
GRESZTA-FRANZ, DOROTA
Exec Dt:
09/22/2005
4
RICHTER, FRANK
Exec Dt:
09/22/2005
5
FISCHER, WOLFGANG
Exec Dt:
09/19/2005
6
SCHMITZ, JORG
Exec Dt:
09/20/2005
7
MUNDSTOCK, HOLGER
Exec Dt:
09/20/2005
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7902315
US20060052526
11217207
Correspondence name and address
THOMAS W. ROY
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 12
Reel/Frame:020381/0288   Pages: 3
Recorded: 01/11/2008
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WIEKARD, JAN
Exec Dt:
09/19/2005
2
RICHTER, FRANK
Exec Dt:
09/22/2005
3
GURTLER, CHRISTOPH
Exec Dt:
09/22/2005
4
FISCHER, WOLFGANG
Exec Dt:
09/19/2005
5
SCHMITZ, JOR
Exec Dt:
09/20/2005
6
MUNDSTOCK, HOLGER
Exec Dt:
09/20/2005
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9085656
US20070191570
11217727
Correspondence name and address
BAYER MATERIALSCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 13
Reel/Frame:020494/0364   Pages: 5
Recorded: 01/28/2008
Attorney Dkt #:po8542/bms041029
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE FIFTH ASSIGNOR'S NAME PREVIOUSLY RECORDED ON REEL 020381, FRAME 0288. ASSIGNORS HEREBY CONFIRM THE ASSIGNMENT OF THE ENTIRE INTEREST.
Assignors
1
WIEKARD, JAN
Exec Dt:
09/19/2005
2
RICHTER, FRANK
Exec Dt:
09/22/2005
3
GURLTER, CHRISTOPH
Exec Dt:
09/22/2005
4
FISCHER, WOLFGANG
Exec Dt:
09/19/2005
5
SCHMITZ, JORG
Exec Dt:
09/20/2005
6
MUNDSTOCK, HOLGER
Exec Dt:
09/20/2005
Assignee
1
BAYER MATERIAL SCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9085656
US20070191570
11217727
Correspondence name and address
BAYER MATERIAL SCIENCE LLC
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 14
Reel/Frame:017386/0780   Pages: 3
Recorded: 12/23/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEIKARD, JAN
Exec Dt:
10/12/2005
2
GURTLER, CHRISTOPH
Exec Dt:
11/07/2005
3
FISCHER, WOLFGANG
Exec Dt:
11/07/2005
4
SCHMITZ, JORG
Exec Dt:
10/31/2005
5
MUNDSTOCK, HOLGER
Exec Dt:
11/07/2005
Assignee
1
BAYER MATERIALSCIENCE AG
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7666970
US20060051591
11217728
Correspondence name and address
THOMAS W. ROY
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 15
Reel/Frame:017817/0876   Pages: 3
Recorded: 04/25/2006
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MUNDSTOCK, HOLGER
Exec Dt:
02/13/2006
2
NIESTEN, MEIKE
Exec Dt:
02/14/2006
3
REIDENBACH, NICOLE
Exec Dt:
02/16/2006
4
SCHMITZ, JORG
Exec Dt:
02/14/2006
Assignee
1
BAYER MATERIALSCIENCE AG
51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20060247371
11410405
Correspondence name and address
THOMAS W. ROY
BAYER MATERIALSCIENCE LLC
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PENNSYLVANIA 15205-9741
Assignment: 16
Reel/Frame:020580/0402   Pages: 2
Recorded: 02/29/2008
Attorney Dkt #:15778-00124
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MAGER, DIETER
Exec Dt:
03/13/2006
2
MUNDSTOCK, HOLGER
Exec Dt:
03/17/2006
3
NIESTEN, MEIKE
Exec Dt:
03/23/2006
4
SCHMITZ, JOERG
Exec Dt:
03/20/2006
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20070238837
11401427
Correspondence name and address
ROBERT MCMORROW
1007 NORTH ORANGE STREET
WILMINGTON, DE 19899
Assignment: 17
Reel/Frame:030412/0436   Pages: 3
Recorded: 05/14/2013
Attorney Dkt #:14069-00478-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
OHWADA, TAKAHIKO
Exec Dt:
03/04/2013
2
BUECHNER, JOERG
Exec Dt:
02/28/2013
3
MUNDSTOCK, HOLGER
Exec Dt:
03/07/2013
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STRASSE 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9108357
US20130236719
13885287
Correspondence name and address
CLAUDIA SCHULTZE
P O BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 18
Reel/Frame:035237/0863   Pages: 4
Recorded: 03/24/2015
Attorney Dkt #:074023-0601-US-523625
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LEONHARDT, KONSTANTIN
Exec Dt:
02/17/2015
2
KUENZEL, ROLAND
Exec Dt:
02/02/2015
3
HERDT, BJOERN
Exec Dt:
02/17/2015
4
DAHMEN, HANS-JOERG
Exec Dt:
03/16/2015
5
MUNDSTOCK, HOLGER
Exec Dt:
03/11/2015
6
POPHUSEN, DIRK
Exec Dt:
02/17/2015
Assignee
1
BAYER MATERIALSCIENCE AG
ALFRED-NOBEL-STR. 10
MONHEIM AM RHEIN, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10173355
US20150239159
14428485
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 19
Reel/Frame:053610/0888   Pages: 20
Recorded: 08/27/2020
Attorney Dkt #:074023-0938-US-603698
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEIKARD, JAN
Exec Dt:
06/30/2020
2
MUNDSTOCK, HOLGER
Exec Dt:
06/23/2020
3
HUERTGEN, DAGMAR
Exec Dt:
06/23/2020
4
YELKAYA, GOENUEL-HAVA
Exec Dt:
06/23/2020
5
SCHREIBER, MARC
Exec Dt:
06/18/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11608406
US20200407484
16976118
Correspondence name and address
FAEGRE DRINKER BIDDLE & REATH LLP (WM)
ATTN: INTELLECTUAL PROPERTY GROUP
ONE LOGAN SQUARE, SUITE 2000
PHILADELPHIA, PA 19103-6996
Assignment: 20
Reel/Frame:053612/0256   Pages: 36
Recorded: 08/27/2020
Attorney Dkt #:074023-0935-US-603520
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHREIBER, MARC
Exec Dt:
06/15/2020
2
WEIKARD, JAN
Exec Dt:
06/15/2020
3
MUNDSTOCK, HOLGER
Exec Dt:
06/23/2020
4
MALEIKA, ROBERT
Exec Dt:
07/01/2020
5
FRISCHKE, SASCHA
Exec Dt:
06/16/2020
6
TEUNISSEN, WILFRIED
Exec Dt:
06/16/2020
7
VAN DER VEGT, HERMAN
Exec Dt:
06/16/2020
8
DE HAAN, MICHIEL
Exec Dt:
06/22/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11911735
US20210197153
16971940
Correspondence name and address
FAEGRE DRINKER BIDDLE & REATH LLP (WM)
ONE LOGAN SQUARE, SUITE 2000
ATTN: INTELLECTUAL PROPERTY GROUP
PHILADELPHIA, PA 19103-6996
Assignment: 21
Reel/Frame:057019/0041   Pages: 3
Recorded: 07/29/2021
Attorney Dkt #:2018P30187WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GRESZTA-FRANZ, DOROTA
Exec Dt:
03/23/2021
2
WEIKARD, JAN
Exec Dt:
03/23/2021
3
MUNDSTOCK, HOLGER
Exec Dt:
03/24/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20220098437
17426767
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 22
Reel/Frame:062021/0428   Pages: 4
Recorded: 12/08/2022
Attorney Dkt #:2020P30081WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WEIKARD, JAN
Exec Dt:
09/09/2022
2
REIMANN, YVONNE
Exec Dt:
11/11/2022
3
GOLLING, FLORIAN
Exec Dt:
09/09/2022
4
RICHTER, FRANK
Exec Dt:
09/09/2022
5
GLAWE, MICHAEL
Exec Dt:
11/15/2022
6
MEISENHEIMER, RICHARD
Exec Dt:
11/09/2022
7
MUNDSTOCK, HOLGER
Exec Dt:
11/10/2022
8
ACHTEN, DIRK
Exec Dt:
11/09/2022
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230211530
18001083
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205

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