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Patent Assignment Assignor Details
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Assignor Name : LIESENFELDER, ULRICH
Total Assignments: 37
Assignment: 1
Reel/Frame:007352/0270   Pages: 3
Recorded: 02/24/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROTH, TORSTEN
Exec Dt:
01/12/1995
2
JOENTGEN, WINFRIED
Exec Dt:
01/12/1995
3
MULLER, NIKOLAUS
Exec Dt:
01/12/1995
4
WAGNER, PAUL
Exec Dt:
01/12/1995
5
TRAENCKNER, HANS-JOACHIM
Exec Dt:
01/13/1995
6
JOVCIC, DORDE
Exec Dt:
02/02/1995
7
PIRKL, HANS-GOERG
Exec Dt:
01/12/1995
8
MENZEL, THOMAS
Exec Dt:
01/12/1995
9
LIESENFELDER, ULRICH
Exec Dt:
01/13/1995
10
LEIBERICH, RICARDA
Exec Dt:
01/13/1995
Assignee
1
BAYER AG
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5594077
NONE
08328868
Correspondence name and address
WILLIAM E. MCSHANE
CONNOLLY AND HUTZ
1220 MARKET STREET
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 2
Reel/Frame:007614/0555   Pages: 4
Recorded: 08/15/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEUER, LUTZ
Exec Dt:
07/28/1995
2
JOENTGEN, WINFRIED
Exec Dt:
07/27/1995
3
GROTH, TORSTEN
Exec Dt:
07/27/1995
4
TRAENCKNER, HANS-JOACHIM
Exec Dt:
08/02/1995
5
MULLER, NIKOLAUS
Exec Dt:
07/27/1995
6
UHR, HERMANN
Exec Dt:
07/28/1995
7
HEISE, KLAUS-PETER
Exec Dt:
07/27/1995
8
BRUCHER, KARL-HERMANN
Exec Dt:
07/28/1995
9
WESENER, JOACHIM-REINHARD
Exec Dt:
08/01/1995
10
WOLLBORN, UTE
Exec Dt:
07/28/1995
11
PIRKL, HANS-GEORG
Exec Dt:
08/04/1995
12
MENZEL, THOMAS
Exec Dt:
08/07/1995
13
LIESENFELDER, ULRICH
Exec Dt:
08/04/1995
14
WAGNER, PAUL
Exec Dt:
08/03/1995
Assignee
1
BAYER AG KONZERNVERWALTUNG RP
PATENTE KONZERN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5679761
NONE
08515356
Correspondence name and address
WILLIAM E. MCSHANE
CONNOLLY AND HUTZ
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 3
Reel/Frame:007686/0326   Pages: 2
Recorded: 10/26/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GROTH, TORSTEN
Exec Dt:
10/13/1995
2
JOENTGEN, WINFRIED
Exec Dt:
10/13/1995
3
MULLER, NIKOLAUS
Exec Dt:
10/13/1995
4
LIESENFELDER, ULRICH
Exec Dt:
10/16/1995
Assignee
1
BAYER AG
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5610255
NONE
08516811
Correspondence name and address
CONNOLLY AND HUTZ
WILLIAM E. MCSHANE
1220 MARKET STREET
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 4
Reel/Frame:008028/0685   Pages: 2
Recorded: 05/31/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIRCHMEYER, STEPHAN
Exec Dt:
04/01/1996
2
MULLER, HANNS-PETER
Exec Dt:
04/10/1996
3
ULLRICH, MARTIN
Exec Dt:
04/09/1996
4
LIESENFELDER, ULRICH
Exec Dt:
04/02/1996
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONZERNZENTRALE RP PATENTE KONZERN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6417312
NONE
08655783
Correspondence name and address
BAYER CORPORATION
ARON PREIS
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 5
Reel/Frame:008027/0658   Pages: 2
Recorded: 05/31/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIRCHMEYER, STEPHAN
Exec Dt:
04/29/1996
2
MULLER, HANNS PETER
Exec Dt:
04/29/1996
3
ULLRICH, MARTIN
Exec Dt:
05/02/1996
4
LIESENFELDER, ULRICH
Exec Dt:
05/02/1996
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE KONZERN
KONZERNZENTRALE RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5739252
NONE
08657852
Correspondence name and address
BAYER CORPORATION
ARON PREIS
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 6
Reel/Frame:009053/0310   Pages: 2
Recorded: 03/19/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESENFELDER, ULRICH
Exec Dt:
02/17/1998
2
THIEM, HANS-JURGEN
Exec Dt:
02/18/1998
3
ULLRICH, MARTIN
Exec Dt:
02/17/1998
Assignee
1
BAYER AG
PATENTS UND LIZENZEN
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6153692
NONE
09044410
Correspondence name and address
CONNOLLY AND HUTZ
RICHARD M. BECK
P.O. BOX 2207
WILMINGTON, DELAWARE 19899
Assignment: 7
Reel/Frame:010273/0902   Pages: 2
Recorded: 08/13/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
WAGNER, PAUL
Exec Dt:
04/29/1999
2
DOBERT, FRANK
Exec Dt:
04/30/1999
3
MENZEL, THOMAS
Exec Dt:
05/03/1999
4
GROTH, TORSTEN
Exec Dt:
05/04/1999
5
JOENTGEN, WINFRIED
Exec Dt:
05/05/1999
6
LIESENFELDER, ULRICH
Exec Dt:
05/10/1999
7
WEINSCHENCK, JORGEN
Exec Dt:
05/17/1999
8
HEISE, KLAUS-PETER
Exec Dt:
05/04/1999
Assignee
1
BAYER AG
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6187898
NONE
09367457
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ LLP
WILLIAM E. MCSHANE
P.O. BOX 2207
WILMINGTON, DE 19899
Assignment: 8
Reel/Frame:010830/0105   Pages: 2
Recorded: 05/17/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KAUFHOLD, WOLFGANG
Exec Dt:
03/09/2000
2
BRAUER, WOLFGANG
Exec Dt:
03/09/2000
3
LIESENFELDER, ULRICH
Exec Dt:
03/16/2000
4
HEIDINGSFELD, HERBERT
Exec Dt:
03/14/2000
5
ROHRIG, WOLFGANG
Exec Dt:
03/29/2000
6
HOPPE, HANS-GEORG
Exec Dt:
03/29/2000
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONZERNBEREICH RP PATENT UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6355762
NONE
09572247
Correspondence name and address
BAYER CORPORATION
ARON PREIS
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 9
Reel/Frame:014170/0972   Pages: 3
Recorded: 02/21/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESENFELDER, ULRICH
Exec Dt:
08/26/2002
2
ULRICH, MARTIN
Exec Dt:
09/12/2002
3
OSTAREK, RALPH
Exec Dt:
09/20/2002
4
WEIDER, RICHARD
Exec Dt:
09/06/2002
5
KUCKLA, JURGEN
Exec Dt:
08/29/2002
6
MICHELS, GISBERT
Exec Dt:
09/05/2002
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20030176636
10240627
Correspondence name and address
NORRIS MCLAUGHLIN & MARCUS
WILLIAM C. GERSTENZANG
220 EAST 42ND STREET, 30TH FLOOR
NEW YORK, NEW YORK 10017
Assignment: 10
Reel/Frame:014612/0588   Pages: 3
Recorded: 10/14/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KONIG, THOMAS
Exec Dt:
08/15/2003
2
KOHLGRUBER, KLEMENS
Exec Dt:
08/15/2003
3
LIESENFELDER, ULRICH
Exec Dt:
08/15/2003
4
BIERDEL, MICHAEL
Exec Dt:
08/15/2003
5
MEYER, HELMUT
Exec Dt:
08/25/2003
6
WEIDER, RICHARD
Exec Dt:
08/27/2003
7
KRUGER, JORG
Exec Dt:
09/02/2003
Assignee
1
BAYER AKTIENGESELLSCHAFT
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7144981
US20040255780
10684600
Correspondence name and address
BAYER POLYMERS LLC
ARON PREIS
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 11
Reel/Frame:015198/0152   Pages: 3
Recorded: 09/29/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EITEL, ALFRED
Exec Dt:
06/08/2004
2
JONSSON, HAAKAN
Exec Dt:
09/15/2004
3
LIESENFELDER, ULRICH
Exec Dt:
05/14/2004
4
MOSS, STEFAN
Exec Dt:
05/18/2004
5
NOTHELLE, RICARDA
Exec Dt:
05/28/2004
6
FRANKENAU, ANDREAS
Exec Dt:
08/25/2004
7
BOHMER, STEPHEN
Exec Dt:
05/19/2004
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7368061
US20050014897
10825886
Correspondence name and address
LANXESS CORPORATION
LAW AND INTELLECTUAL PROPERTY DEPARTMENT
JILL DENESVICH
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 12
Reel/Frame:025428/0375   Pages: 2
Recorded: 11/29/2010
Attorney Dkt #:100717-818 CH/KGB
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIERDEL, MICHAEL, DR.
Exec Dt:
09/24/2010
2
KOENIG, THOMAS, DR.
Exec Dt:
09/24/2010
3
LIESENFELDER, ULRICH
Exec Dt:
09/24/2010
Assignee
1
BAYER TECHNOLOGY SERVICES GMBH
LAW AND PATENTS, PATENTS AND LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8876360
US20110075511
12995079
Correspondence name and address
CHRISTA HILDEBRAND
NORRIS MCLAUGHLIN & MARCUS, P.A.
875 THIRD AVENUE, 8TH FLOOR
NEW YORK, NY 10022
Assignment: 13
Reel/Frame:025447/0976   Pages: 2
Recorded: 12/03/2010
Attorney Dkt #:100717-819
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIERDEL, MICHAEL, DR.
Exec Dt:
09/24/2010
2
KONIG, THOMAS, DR.
Exec Dt:
09/24/2010
3
LIESENFELDER, ULRICH
Exec Dt:
09/24/2010
Assignee
1
BAYER TECHNOLOGY SERVICES GMBH
51368 LEVERKUSEN
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8915642
US20110110183
12996158
Correspondence name and address
CHRISTA HILDEBRAND
NORRIS MCLAUGHLIN & MARCUS, P.A.
875 THIRD AVENUE, 8TH FLOOR
NEW YORK, NY 10022
Assignment: 14
Reel/Frame:026702/0138   Pages: 2
Recorded: 08/04/2011
Attorney Dkt #:15778-00342-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOENIG, THOMS
Exec Dt:
10/07/2010
2
BIERDEL, MICHAEL
Exec Dt:
10/07/2010
3
LIESENFELDER, ULRICH
Exec Dt:
10/07/2010
4
KOHLGRUEBER, KLEMENS
Exec Dt:
10/06/2010
5
RECHNER, JOHANN
Exec Dt:
09/29/2010
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9944008
US20110233818
12999810
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ, LLP
P O BOX 2207
WILMINGTON, DE 19801
Assignment: 15
Reel/Frame:025474/0481   Pages: 3
Recorded: 12/13/2010
Attorney Dkt #:100717-821 CH/KGB
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIERDEL, MICHAEL, DR.
Exec Dt:
10/26/2010
2
KOENIG, THOMAS, DR.
Exec Dt:
10/26/2010
3
LIESENFELDER, ULRICH
Exec Dt:
10/26/2010
Assignee
1
BAYER TECHNOLOGY SERVICES GMBH
LAW AND PATENTS
PATENTS AND LICENSING
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8979355
US20110141843
12997626
Correspondence name and address
CHRISTA HILDEBRAND
NORRIS MCLAUGHLIN & MARCUS, P.A.
875 THIRD AVENUE, 8TH FLOOR
NEW YORK, NY 10022
Assignment: 16
Reel/Frame:025499/0052   Pages: 2
Recorded: 12/16/2010
Attorney Dkt #:100717-822
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIERDEL, MICHAEL, DR.
Exec Dt:
10/26/2010
2
KONIG, THOMAS, DR.
Exec Dt:
10/26/2010
3
LIESENFELDER, ULRICH
Exec Dt:
10/26/2010
Assignee
1
BAYER TECHNOLOGY SERVICES GMBH
51368 LEVERKUSEN
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110112255
12999116
Correspondence name and address
CHRISTA HILDEBRAND
NORRIS MCLAUGHLIN & MARCUS, P.A.
875 THIRD AVENUE, 8TH FLOOR
NEW YORK, NY 10022
Assignment: 17
Reel/Frame:025493/0167   Pages: 2
Recorded: 12/14/2010
Attorney Dkt #:100717-823
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIERDEL, MICHAEL, DR.
Exec Dt:
11/24/2010
2
KONIG, THOMAS, DR.
Exec Dt:
11/26/2010
3
LIESENFELDER, ULRICH
Exec Dt:
11/26/2010
Assignee
1
BAYER TECHNOLOGY SERVICES GMBH
51368 LEVERKUSEN
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9688002
US20110158039
12997940
Correspondence name and address
CHRISTA HILDEBRAND
NORRIS MCLAUGHLIN & MARCUS, P.A.
875 THIRD AVENUE, 8TH FLOOR
NEW YORK, NY 10022
Assignment: 18
Reel/Frame:025511/0720   Pages: 2
Recorded: 12/16/2010
Attorney Dkt #:100717-824
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIERDEL, MICHAEL, DR.
Exec Dt:
11/24/2010
2
KONIG, THOMAS, DR
Exec Dt:
11/26/2010
3
LIESENFELDER, ULRICH
Exec Dt:
11/26/2010
Assignee
1
BAYER TECHNOLOGY SERVICES GMBH
51368 LEVERKUSEN
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9808978
US20110180949
12999409
Correspondence name and address
CHRISTA HILDEBRAND
NORRIS MCLAUGHLIN & MARCUS
875 THIRD AVENUE, 8TH FLOOR
NEW YORK, NY 10022
Assignment: 19
Reel/Frame:025899/0604   Pages: 3
Recorded: 03/04/2011
Attorney Dkt #:15778-00350-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOENIG, THOMAS
Exec Dt:
12/07/2010
2
BIERDEL, MICHAEL
Exec Dt:
11/24/2010
3
CONZEN, CARSTEN
Exec Dt:
11/26/2010
4
LIESENFELDER, ULRICH
Exec Dt:
11/26/2010
5
KOHLGRUEBER, KLEMENS
Exec Dt:
11/26/2010
6
RUDOLF, REINER
Exec Dt:
12/08/2010
7
RECHNER, JOHANN
Exec Dt:
12/20/2010
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9738025
US20110160381
13000057
Correspondence name and address
CONNOLLY BOVE LODGE & HUTZ, LLP
P O BOX 2207
WILMINGTON, DE 19801
Assignment: 20
Reel/Frame:025807/0117   Pages: 3
Recorded: 02/15/2011
Attorney Dkt #:15778-00349-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIERDEL, MICHAEL
Exec Dt:
12/02/2010
2
KOENIG, THOMAS
Exec Dt:
12/07/2010
3
CONZEN, CARSTEN
Exec Dt:
12/02/2010
4
LIESENFELDER, ULRICH
Exec Dt:
12/02/2010
5
KOHLGRUEBER, KLEMENS
Exec Dt:
12/03/2010
6
RUDOLF, REINER
Exec Dt:
12/08/2010
7
RECHNER, JOHANN
Exec Dt:
12/20/2010
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110184089
13000052
Correspondence name and address
DAVID M. MORSE
1007 NORTH ORANGE STREET
P.O. BOX 2207
WILMINGTON, DE 19801
Assignment: 21
Reel/Frame:025629/0684   Pages: 2
Recorded: 01/13/2011
Attorney Dkt #:100717-827
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIERDEL, MICHAEL, DR.
Exec Dt:
12/07/2010
2
KONIG, THOMAS, DR.
Exec Dt:
12/07/2010
3
LIESENFELDER, ULRICH
Exec Dt:
12/07/2010
Assignee
1
BAYER TEHCNOLOGY SERVICES GMBH
51368 LEVERKUSEN
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9868245
US20110096617
12999280
Correspondence name and address
CHRISTA HILDEBRAND
NORRIS MCLAUGHLIN & MARCUS
875 THIRD AVENUE, 8TH FLOOR
NEW YORK, NY 10022
Assignment: 22
Reel/Frame:025729/0213   Pages: 4
Recorded: 02/01/2011
Attorney Dkt #:100717-820 WCG
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEPPERLE, JENS, DR.
Exec Dt:
01/10/2011
2
LIESENFELDER, ULRICH
Exec Dt:
01/12/2011
3
BUCHHOLZ, SIGURD, DR.
Exec Dt:
01/13/2011
4
BRAEUER, WOLFGANG, DR.
Exec Dt:
01/17/2011
5
KAUFHOLD, WOLFGANG, DR.
Exec Dt:
01/17/2011
6
HAESELER, ACHIM
Exec Dt:
01/19/2011
Assignees
1
BAYER TECHNOLOGY SERVICES GMBH
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
2
BAYER MATERIALSCIENCE AG
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110124773
12948064
Correspondence name and address
WILLIAM C. GERSTENZANG, ESQ.
NORRIS MCLAUGHLIN & MARCUS P.A.
875 THIRD AVE, 8TH FLOOR
NEW YORK, NY 10022
Assignment: 23
Reel/Frame:026272/0043   Pages: 14
Recorded: 05/12/2011
Attorney Dkt #:15778-00304-US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DOEBERT, FRANK
Exec Dt:
02/10/2011
2
STREMMEL, ANDREAS
Exec Dt:
02/07/2011
3
BLEDRON, CHRISTOPH
Exec Dt:
02/08/2011
4
LAUE, STEPHAN
Exec Dt:
02/15/2011
5
RECHNER, JOHANN
Exec Dt:
02/02/2011
6
HAGEN, TORSTEN
Exec Dt:
02/04/2011
7
BRUYNSEELS, FRANK
Exec Dt:
03/01/2011
8
QUAEYHAEGENS, FRANK
Exec Dt:
02/16/2011
9
DECLOEDT, JOHAN
Exec Dt:
03/10/2011
10
DORST, PAUL VAN
Exec Dt:
03/11/2011
11
ARNDT, UWE
Exec Dt:
03/04/2011
12
KONIG, THOMAS
Exec Dt:
02/07/2011
13
TRACHT, URSUAL
Exec Dt:
02/07/2011
14
EYNDE, JOHAN VANDEN
Exec Dt:
02/14/2011
15
LIESENFELDER, ULRICH
Exec Dt:
02/07/2011
Assignee
1
BAYER MATERIALSCIENCE AG
PATENTS & LICENSING
BUILDING Q 18
LEVERKUSEN, GERMANY D-51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8394912
US20110184144
12973272
Correspondence name and address
EAMONN P. MORRISON
CONNOLLY BOVE LODGE & HUTZ LLP
1007 NORTH ORANGE STREET
P.O. BOX 2207
WILMINGTON, DE 19899-2207
Assignment: 24
Reel/Frame:027499/0125   Pages: 3
Recorded: 01/09/2012
Attorney Dkt #:100717-863 WCG
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HEPPERLE, JENS, DR.
Exec Dt:
11/30/2011
2
LIESENFELDER, ULRICH
Exec Dt:
12/01/2011
3
BRAEUER, WOLFGANG, DR.
Exec Dt:
11/12/2011
4
KAUFHOLD, WOLFGANG, DR.
Exec Dt:
12/09/2011
5
HAESELER, ACHIM
Exec Dt:
12/08/2011
Assignees
1
BAYER TECHNOLOGY SERVICES GMBH
BUILDING Q 18
LEVERKUSEN, GERMANY 51368
2
BAYER MATERIALSCIENCE AG
BUILDING AG
LEVERKUSEN, GERMANY 51368
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20120116030
13291228
Correspondence name and address
GERSTENZANG, WILLIAM C. NORRIS MCLAUGHLI
875 THIRD AVE, 8TH FLOOR
NEW YORK, NY 10022
Assignment: 25
Reel/Frame:028977/0709   Pages: 2
Recorded: 09/18/2012
Attorney Dkt #:2923343-003000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KIRCHHOFF, JOERG, DR.
Exec Dt:
06/01/2012
2
KOENIG, THOMAS, DR.
Exec Dt:
05/23/2012
3
BIERDEL, MICHAEL, DR.
Exec Dt:
05/23/2012
4
LIESENFELDER, ULRICH
Exec Dt:
05/24/2012
Assignee
1
BAYER INTELLECTUAL PROPERTY GMBH
ALFRED-NOBEL-STR. 10
MONHEIM, GERMANY 40789
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8753003
US20130033956
13516055
Correspondence name and address
BAKER DONELSON BEARMAN, CALDWELL & BERKO
920 MASSACHUSETTS AVE, NW
SUITE 900
WASHINGTON, DC 20001
Assignment: 26
Reel/Frame:039219/0707   Pages: 6
Recorded: 07/22/2016
Attorney Dkt #:074023-0694-US-544816
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEYER, ALEXANDER
Exec Dt:
07/01/2016
2
HORN, KLAUS
Exec Dt:
07/02/2016
3
RUDOLF, REINER
Exec Dt:
07/07/2016
4
LIESENFELDER, ULRICH
Exec Dt:
07/13/2016
5
KOENIG, THOMAS
Exec Dt:
07/13/2016
6
KARBACH, ALEXANDER
Exec Dt:
06/30/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10035884
US20170009021
15113514
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 27
Reel/Frame:040340/0179   Pages: 11
Recorded: 11/16/2016
Attorney Dkt #:074023-0671-US-540942
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEYER, ALEXANDER
Exec Dt:
11/08/2016
2
HORN, KLAUS
Exec Dt:
11/16/2016
3
RUDOLF, REINER
Exec Dt:
11/07/2016
4
LIESENFELDER, ULRICH
Exec Dt:
11/07/2016
5
KOENIG, THOMAS
Exec Dt:
11/08/2016
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9828462
US20160244559
15027750
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 28
Reel/Frame:043029/0288   Pages: 3
Recorded: 07/18/2017
Attorney Dkt #:074023-0749-US-565424
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEYER, ALEXANDER
Exec Dt:
06/06/2017
2
HORN, KLAUS
Exec Dt:
06/06/2017
3
KUHLMANN, TIMO
Exec Dt:
06/06/2017
4
LIESENFELDER, ULRICH
Exec Dt:
06/09/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10487208
US20180009986
15544282
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 29
Reel/Frame:043028/0854   Pages: 6
Recorded: 07/18/2017
Attorney Dkt #:074023-0748-US-565421
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEYER, ALEXANDER
Exec Dt:
06/20/2017
2
HORN, KLAUS
Exec Dt:
06/20/2017
3
KUHLMANN, TIMO
Exec Dt:
06/20/2017
4
ERKELENZ, MICHAEL
Exec Dt:
07/02/2017
5
LIESENFELDER, ULRICH
Exec Dt:
06/20/2017
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10717871
US20170369707
15544277
Correspondence name and address
DRINKER BIDDLE & REATH LLP (WM)
222 DELAWARE AVENUE, STE. 1410
WILMINGTON, DE 19801-1621
Assignment: 30
Reel/Frame:046124/0309   Pages: 3
Recorded: 06/19/2018
Attorney Dkt #:160286PCTUSCON/BMS151095P
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIERDEL, MICHAEL
Exec Dt:
06/12/2018
2
KÖNIG, THOMAS
Exec Dt:
06/14/2018
3
LIESENFELDER, ULRICH
Exec Dt:
06/12/2018
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10029393
US20170252948
15602716
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 31
Reel/Frame:050092/0001   Pages: 19
Recorded: 08/19/2019
Attorney Dkt #:160328PCTUSCON/2009P30072
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BIERDEL, MICHAEL
Exec Dt:
05/08/2019
2
KOENIG, THOMAS
Exec Dt:
05/08/2019
3
CONZEN, CARSTEN
Exec Dt:
05/21/2019
4
LIESENFELDER, ULRICH
Exec Dt:
08/12/2019
5
KOHLGRUEBER, KLEMENS
Exec Dt:
05/28/2019
6
RUDOLF, REINER
Exec Dt:
05/17/2019
7
RECHNER, JOHANN
Exec Dt:
07/19/2019
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10836076
US20190061200
16170729
Correspondence name and address
WILLIAM E. KUSS
210 SIXTH AVENUE
K&L GATES CENTER
PITTSBURGH, PA 15222-2613
Assignment: 32
Reel/Frame:054227/0449   Pages: 26
Recorded: 09/29/2020
Attorney Dkt #:2018P30022WOUS
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MORAWSKI, JOERG
Exec Dt:
04/21/2020
2
LODDENKEMPER, TIM
Exec Dt:
05/18/2020
3
LANG, STEFANIE
Exec Dt:
05/27/2020
4
BELLINGHAUSEN, RAINER
Exec Dt:
04/29/2020
5
LIESENFELDER, ULRICH
Exec Dt:
04/29/2020
6
MERKEL, MICHAEL
Exec Dt:
04/16/2020
7
SEEKAMP, MARC
Exec Dt:
04/17/2020
8
DUNKER, ARIANE
Exec Dt:
04/30/2020
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20210024459
17043117
Correspondence name and address
COVESTRO LLC
1 COVESTRO CIRCLE
PITTSBURGH, PA 15205
Assignment: 33
Reel/Frame:057670/0380   Pages: 3
Recorded: 10/01/2021
Attorney Dkt #:074023-US-000027
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEYER, ALEXANDER
Exec Dt:
04/15/2021
2
LIESENFELDER, ULRICH
Exec Dt:
04/15/2021
3
HUGGINS, JOHN
Exec Dt:
04/20/2021
Assignee
1
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11970615
US20220195123
17600846
Correspondence name and address
FAEGRE DRINKER BIDDLE & REATH LLP (WM)
ATTN: INTELLECTUAL PROPERTY GROUP
ONE LOGAN SQUARE, SUITE 2000
LUDWIGSHAFEN AM RHEI, PA 67056
Assignment: 34
Reel/Frame:063713/0061   Pages: 3
Recorded: 05/22/2023
Attorney Dkt #:230160PCTUS/2018P30226WOU
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KOENIG, THOMAS
Exec Dt:
04/11/2023
2
LIESENFELDER, ULRICH
Exec Dt:
04/11/2023
3
ENGBERG, ROLAND
Exec Dt:
05/02/2023
4
SCHMIDT, GUDRUN
Exec Dt:
04/27/2023
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230390986
18032253
Correspondence name and address
K&L GATES LLP - WILLIAM E. KUSS
210 SIXTH AVENUE
PITTSBURGH, PA 15222-2613
Assignment: 35
Reel/Frame:065868/0689   Pages: 4
Recorded: 12/14/2023
Attorney Dkt #:10139-2308268
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MEYER, ALEXANDER
Exec Dt:
10/04/2023
2
SCHULZ, LUKAS FABIAN
Exec Dt:
10/04/2023
3
PFINGST, THOMAS
Exec Dt:
10/20/2023
4
LIESENFELDER, ULRICH
Exec Dt:
10/09/2023
5
HINZMANN, DIRK
Exec Dt:
10/04/2023
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240166804
18570189
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FORT DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 36
Reel/Frame:066259/0641   Pages: 4
Recorded: 01/26/2024
Attorney Dkt #:10139-2309333
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESENFELDER, ULRICH
Exec Dt:
11/22/2023
2
VANDEN EYNDE, JOHAN
Exec Dt:
11/23/2023
3
BUTS, MARC
Exec Dt:
11/22/2023
4
MEYER, ALEXANDER
Exec Dt:
12/09/2023
5
VAN DORST, PAUL
Exec Dt:
11/22/2023
6
SPAPENS, MAX
Exec Dt:
11/22/2023
7
DE WOLF, MARCUS
Exec Dt:
11/22/2023
8
ENGBERG, ROLAND
Exec Dt:
11/24/2023
9
KARRENBERG, GREGOR
Exec Dt:
12/04/2023
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240352188
18292485
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FORT DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222
Assignment: 37
Reel/Frame:066264/0884   Pages: 4
Recorded: 01/26/2024
Attorney Dkt #:10139-2309369
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
LIESENFELDER, ULRICH
Exec Dt:
11/22/2023
2
VANDEN EYNDE, JOHAN
Exec Dt:
11/23/2023
3
BUTS, MARC
Exec Dt:
11/22/2023
4
MEYER, ALEXANDER
Exec Dt:
12/09/2023
5
VAN DORST, PAUL
Exec Dt:
11/22/2023
6
SPAPENS, MAX
Exec Dt:
11/22/2023
7
DE WOLF, MARCUS
Exec Dt:
11/22/2023
8
ENGBERG, ROLAND
Exec Dt:
11/24/2023
9
KARRENBERG, GREGOR
Exec Dt:
12/04/2023
Assignee
1
COVESTRO DEUTSCHLAND AG
KAISER-WILHELM-ALLEE 60
LEVERKUSEN, GERMANY 51373
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20240352189
18292663
Correspondence name and address
THE WEBB LAW FIRM, P.C.
ONE GATEWAY CENTER
420 FORT DUQUESNE BLVD, SUITE 1200
PITTSBURGH, PA 15222

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