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Patent Assignment Assignor Details
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Assignor Name : EXNER, OTTO
Total Assignments: 12
Assignment: 1
Reel/Frame:004557/0465   Pages: 1
Recorded: 05/21/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHOLL, THOMAS
Exec Dt:
05/07/1986
2
EXNER, OTTO
Exec Dt:
05/07/1986
3
FINKEL, PETER
Exec Dt:
05/07/1986
4
PERREY, HERMANN
Exec Dt:
05/07/1986
Assignee
1
BAYER AKTIENGESELLSCHAFT
A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4792609
NONE
06866039
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:006213/0357   Pages: 2
Recorded: 07/11/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
DHEIN, ROLF
Exec Dt:
06/25/1990
2
BACKER, LOTHAR
Exec Dt:
06/25/1990
3
EXNER, OTTO
Exec Dt:
06/25/1990
4
RADT, INGRID
Exec Dt:
06/22/1990
5
RADT, CHRISTIAN
Exec Dt:
06/22/1990
6
SCHMITT, HANS-GEORG
Exec Dt:
06/25/1990
Assignee
1
BAYER AKTIENGESELLSCHAFT
D 5090 LEVERKUSEN BAYERYERK, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5190932
NONE
07551591
Correspondence name and address
LEONARD HORN
SPRUNG HORN KRAMER & WOODS
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 3
Reel/Frame:006099/0803   Pages: 2
Recorded: 04/13/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LUDWIG, GEORG-WILHEIM
Exec Dt:
02/24/1992
2
EXNER, OTTO
Exec Dt:
02/26/1992
3
PAULUS, WILFRED
Exec Dt:
02/26/1992
4
BUCHEL, KARL-HEINZ
Exec Dt:
02/26/1992
5
HOLMWOOD, GRAHAM
Exec Dt:
02/26/1992
Assignee
1
BAYER AKTIENGESELLSCHAFT, A CORP. OF GERMANY
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5200421
NONE
07867955
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 4
Reel/Frame:006204/0192   Pages: 2
Recorded: 07/01/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LUDWIG, GEORG-WILHELM
Exec Dt:
05/26/1992
2
EXNER, OTTO
Exec Dt:
05/18/1992
3
SCHMITT, HANS-GEORG
Exec Dt:
05/21/1992
4
BUCHEL, KARL-HEINZ
Exec Dt:
05/22/1992
5
HOLMWOOD, GRAHAM
Exec Dt:
05/13/1992
Assignee
1
BAYER AKTIENGESELLSCHAFT
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5326777
NONE
07907496
Correspondence name and address
LEONARD HORN
SPRUNG, HORN, KRAMER AND WOODS
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 5
Reel/Frame:006558/0320   Pages: 2
Recorded: 05/19/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHMITT, HANS-GEORG
Exec Dt:
04/20/1993
2
EXNER, OTTO
Exec Dt:
04/20/1993
3
BUSCHHAUS, HANS-ULRICH
Exec Dt:
04/20/1993
Assignee
1
BAYER AG
KONZERNVERWALTUNG RP
PATENTE KONZERN
LEVERKUSEN D-5090, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5389300
NONE
08064538
Correspondence name and address
LEONARD HORN
SPRUNG HORN KRAMER & WOODS
660 WHITE PLAINS ROAD
4TH FLOOR
TARRYTOWN, NY 10591-5144
Assignment: 6
Reel/Frame:007810/0328   Pages: 3
Recorded: 12/21/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EXNER, OTTO
Exec Dt:
09/05/1995
2
HOFFMAN, MANFRED
Exec Dt:
09/05/1995
Assignee
1
BAYER AKTIENGESELLSCHAFT
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5696170
NONE
08553483
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
LEONARD HORN
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 7
Reel/Frame:008580/0804   Pages: 3
Recorded: 03/19/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EXNER, OTTO
Exec Dt:
01/21/1997
2
KUGLER, MARTIN
Exec Dt:
01/21/1997
3
HOFFMAN, MANFRED
Exec Dt:
01/20/1997
Assignee
1
BAYER AKTIENGESELLSCHAFT
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5866182
NONE
08817017
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
KURT G. BRISCOE, ESQ.
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591-5144
Assignment: 8
Reel/Frame:010363/0305   Pages: 2
Recorded: 09/20/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EXNER, OTTO
Exec Dt:
07/12/1999
2
HOFFMANN, MANFRED
Exec Dt:
07/13/1999
Assignee
1
BAYER AKTIENGESELLSCHAFT
KONZERNBEREICH RP PATENT UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6121214
NONE
09381423
Correspondence name and address
BAYER CORPORATION
DIDERICO VAN EYL
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 9
Reel/Frame:010543/0200   Pages: 2
Recorded: 12/06/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
EXNER, OTTO
Exec Dt:
10/20/1999
2
ROTHER, HEINZ-JOACHIM
Exec Dt:
10/22/1999
3
KUGLER, MARTIN
Exec Dt:
10/13/1999
4
REHBEIN, HARTMUT
Exec Dt:
10/22/1999
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6479521
US20020147227
09445330
Correspondence name and address
BAYER CORPORATION
RICHARD E.L. HENDERSON
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 15205-9741
Assignment: 10
Reel/Frame:010799/0166   Pages: 2
Recorded: 04/17/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HILLEBRAND, STEFAN
Exec Dt:
03/03/2000
2
JAUTELAT, MANFRED
Exec Dt:
03/07/2000
3
MAULER-MACHNIK, ASTRID
Exec Dt:
03/08/2000
4
STENZEL, KLAUS
Exec Dt:
03/15/2000
5
KUGLER, MARTIN
Exec Dt:
03/15/2000
6
EXNER, OTTO
Exec Dt:
03/20/2000
Assignee
1
BAYER AKTIENGESELLSCHAFT
PATENT UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6245793
NONE
09529678
Correspondence name and address
BAYER CORPORATION
JOSEPH C. GIL
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 11
Reel/Frame:025096/0784   Pages: 8
Recorded: 10/06/2010
Attorney Dkt #:P001 00304
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
RENNER, GERD-FRIEDRICH
Exec Dt:
08/13/2010
2
EXNER, OTTO
Exec Dt:
08/12/2010
3
MATYSIAK, ROLF
Exec Dt:
08/12/2010
4
WELLMANN, JOSEF
Exec Dt:
08/30/2010
5
HENNEN, UDO
Exec Dt:
08/16/2010
Assignee
1
LANXESS DEUTSCHLAND GMBH
D-51369
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110028545
12811837
Correspondence name and address
NICANOR A. KOHNCKE
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112
Assignment: 12
Reel/Frame:028459/0445   Pages: 11
Recorded: 06/28/2012
Attorney Dkt #:P001 00079N
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
GREIF, GISELA
Exec Dt:
05/15/2012
2
FROYMAN, ROBRECHT
Exec Dt:
05/15/2012
3
ORTIZ, CLAUDIO
Exec Dt:
05/14/2012
4
RENNER, GERD-FRIEDRICH
Exec Dt:
05/18/2012
5
EXNER, OTTO
Exec Dt:
05/16/2012
6
SCHLEGEL, DIETMAR
Exec Dt:
05/14/2012
7
MATYSIAK, ROLF
Exec Dt:
05/26/2012
Assignee
1
LANXESS DEUTSCHLAND GMBH
D-51369
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20110086823
12971907
Correspondence name and address
NICANOR A. KOHNCKE
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112

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