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Patent Assignment Assignor Details
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Assignor Name : MITSCHKER, ALFRED
Total Assignments: 23
Assignment: 1
Reel/Frame:004212/0323   Pages: 1
Recorded: 12/23/1983
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
12/01/1983
2
Exec Dt:
12/01/1983
3
Exec Dt:
12/01/1983
4
Exec Dt:
12/01/1983
Assignee
1
A GERMAN CORP.
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06565081
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.
NEW YORK, NY 10016
Assignment: 2
Reel/Frame:004388/0601   Pages: 1
Recorded: 03/25/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
03/08/1985
2
Exec Dt:
03/08/1985
3
Exec Dt:
03/08/1985
4
Exec Dt:
03/08/1985
5
Exec Dt:
03/08/1985
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06715716
Correspondence name and address
PATENT DEPT.
MOBAY CHEMICAL CORP.
PENN LINCOLN PARKWAY WEST
PITTSBURGH, PA 15205
Assignment: 3
Reel/Frame:004607/0737   Pages: 1
Recorded: 09/22/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
09/09/1986
2
Exec Dt:
09/09/1986
3
Exec Dt:
09/09/1986
4
Exec Dt:
09/09/1986
Assignee
1
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06909995
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 4
Reel/Frame:004635/0359   Pages: 1
Recorded: 11/25/1986
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/07/1986
2
Exec Dt:
11/07/1986
3
Exec Dt:
11/13/1986
Assignee
1
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
06934877
Correspondence name and address
MERCHANT, GOULD, SMITH, EDELL, WELTER &
SCHMIDT
1600 MIDWEST PLAZA
MINNEAPOLIS, MN 55402
Assignment: 5
Reel/Frame:004841/0105   Pages: 1
Recorded: 02/25/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/08/1988
2
Exec Dt:
02/16/1988
3
Exec Dt:
02/16/1988
Assignee
1
RIO DE JANEIRO, BRAZIL
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07159147
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 6
Reel/Frame:004976/0956   Pages: 1
Recorded: 11/04/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/06/1988
2
Exec Dt:
10/06/1988
3
Exec Dt:
10/06/1988
4
Exec Dt:
10/10/1988
5
Exec Dt:
10/10/1988
6
Exec Dt:
10/10/1988
7
Exec Dt:
10/10/1988
8
Exec Dt:
10/10/1988
9
Exec Dt:
10/10/1988
Assignee
1
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07242402
Correspondence name and address
EUGENE C. RZUCIDLO
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 7
Reel/Frame:005052/0682   Pages: 1
Recorded: 03/07/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/21/1989
2
Exec Dt:
02/21/1989
3
Exec Dt:
02/21/1989
4
Exec Dt:
02/21/1989
5
Exec Dt:
02/21/1989
Assignees
1
KOELN,, GERMANY
2
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07320262
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 8
Reel/Frame:005062/0983   Pages: 1
Recorded: 04/13/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/05/1989
2
Exec Dt:
04/05/1989
3
Exec Dt:
04/05/1989
4
Exec Dt:
04/03/1989
5
Exec Dt:
03/29/1989
6
Exec Dt:
03/29/1989
Assignees
1
GERMANY
2
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07337585
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 9
Reel/Frame:005097/0374   Pages: 1
Recorded: 06/30/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/16/1989
2
Exec Dt:
06/16/1989
3
Exec Dt:
06/16/1989
4
Exec Dt:
06/16/1989
5
Exec Dt:
06/16/1989
6
Exec Dt:
06/16/1989
Assignee
1
LEVERKUSEN,, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07373836
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVE.,
NEW YORK, NY 10016
Assignment: 10
Reel/Frame:005167/0603   Pages: 1
Recorded: 10/24/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
10/12/1989
2
Exec Dt:
10/12/1989
3
Exec Dt:
10/12/1989
4
Exec Dt:
10/12/1989
5
Exec Dt:
10/12/1989
6
Exec Dt:
10/12/1989
Assignee
1
KONZERNVERWALTUNG RP
PATENTE KONZERN,
LEVERKUSEN, GERMANY D-5090
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07426123
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
600 THIRD AVENUE
NEW YORK, NY 10016
Assignment: 11
Reel/Frame:005496/0835   Pages: 2
Recorded: 10/31/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
02/12/1990
2
Exec Dt:
02/12/1990
3
Exec Dt:
02/08/1990
4
Exec Dt:
02/08/1990
Assignee
1
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07482836
Correspondence name and address
OBLON, SPIVAK, MC CLELLAND & MAIER
CRYSTAL SQ. FIVE, STE. 400
1755 S. JEFFERSON DAVIS HWY.,
ARLINGTON, VA 22202
Assignment: 12
Reel/Frame:005717/0097   Pages: 4
Recorded: 05/23/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
04/02/1991
2
Exec Dt:
04/02/1991
3
Exec Dt:
04/02/1991
4
Exec Dt:
04/02/1991
5
Exec Dt:
04/02/1991
Assignee
1
A GERMAN CORP.
LEVERKUSEN, BAYERWERK, GERMANY D 5090
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07638465
Correspondence name and address
SPRUNG, HORN, KRAMER & WOODS
1140 AVENUE OF THE AMERICAS
NEW YORK, NY 10036
Assignment: 13
Reel/Frame:007123/0270   Pages: 2
Recorded: 08/12/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/03/1994
2
Exec Dt:
06/08/1994
3
Exec Dt:
06/07/1994
4
Exec Dt:
06/09/1994
5
Exec Dt:
06/06/1994
6
Exec Dt:
06/06/1994
Assignee
1
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08289812
Correspondence name and address
SPRUNG HORN KRAMER & WOODS
LEONARD HORN, ESQ.
660 WHITE PLAINS ROAD
TARRYTOWN, NY 10591
Assignment: 14
Reel/Frame:011031/0134   Pages: 2
Recorded: 08/21/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/14/2000
2
Exec Dt:
06/19/2000
3
Exec Dt:
06/26/2000
4
Exec Dt:
06/27/2000
5
Exec Dt:
06/28/2000
6
Exec Dt:
06/30/2000
Assignee
1
PATENTE UND LIZENZEN
LEVERKUSEN, GERMANY D-513
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09643194
Correspondence name and address
BAYER CORPORATION
RICHARD E.L. HENDERSON
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 15
Reel/Frame:011130/0996   Pages: 2
Recorded: 08/25/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
06/23/2000
2
Exec Dt:
07/12/2000
3
Exec Dt:
06/30/2000
4
Exec Dt:
07/26/2000
5
Exec Dt:
07/24/2000
6
Exec Dt:
07/05/2000
Assignee
1
PATENT UND LIZENZEN
KONZERNBEREICH RP
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09642799
Correspondence name and address
RICHARD E. L. HENDERSON
BAYER CORPORATION
100 BAYER ROAD
PITTSBURGH, PA 15205
Assignment: 16
Reel/Frame:011227/0891   Pages: 2
Recorded: 10/11/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/17/2000
2
Exec Dt:
08/27/2000
3
Exec Dt:
08/25/2000
4
Exec Dt:
08/30/2000
5
Exec Dt:
09/01/2000
Assignee
1
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09673090
Correspondence name and address
BAYER CORPORATION
RICHARD E.L. HENDERSON
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 17
Reel/Frame:011388/0021   Pages: 2
Recorded: 12/14/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/05/2000
2
Exec Dt:
10/10/2000
3
Exec Dt:
10/09/2000
4
Exec Dt:
10/05/2000
5
Exec Dt:
10/06/2000
Assignee
1
PATENTE UND LIZENZEN
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09737270
Correspondence name and address
BAYER CORPORATION
RICHARD E.L. HENDERSON
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 18
Reel/Frame:014278/0720   Pages: 2
Recorded: 07/15/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/27/2003
2
Exec Dt:
06/02/2003
3
Exec Dt:
06/16/2003
4
Exec Dt:
06/16/2003
5
Exec Dt:
06/25/2003
6
Exec Dt:
06/27/2003
Assignee
1
D 51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
10423326
Correspondence name and address
BAYER CHEMICALS CORPORATION
GODFRIED AKORLI
PATENT DEPARTMENT
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 19
Reel/Frame:021447/0348   Pages: 3
Recorded: 08/27/2008
Attorney Dkt #:CH7570N
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/27/2003
2
Exec Dt:
06/02/2003
3
Exec Dt:
06/16/2003
4
Exec Dt:
06/16/2003
5
Exec Dt:
06/25/2003
6
Exec Dt:
06/27/2003
Assignee
1
D-51368
LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11652837
Correspondence name and address
LANXESS CORPORATION
111 RIDC PARK WEST DRIVE
LAW & INTELLECTUAL PROPERTY DEPARTMENT
PITTSBURGH, PA 15275
Assignment: 20
Reel/Frame:014775/0341   Pages: 3
Recorded: 06/24/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/19/2004
2
Exec Dt:
02/19/2004
3
Exec Dt:
02/10/2004
Assignees
1
PATENTE UND LIZENZEN
D 51368 LEVERKUSEN, GERMANY
2
ADOB, UL. WARSZAWSKA 39/41
61-028 POZNAN, POLEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10684925
Correspondence name and address
BAYER CHEMICALS CORPORATION
DIDERICO VAN EYL
100 BAYER ROAD
PATENT DEPARTMENT
PITTSBURGH, PA 19205-9741
Assignment: 21
Reel/Frame:021454/0780   Pages: 3
Recorded: 08/28/2008
Attorney Dkt #:CH7828N
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
02/19/2004
2
Exec Dt:
02/19/2004
3
Exec Dt:
02/10/2004
Assignees
1
PATENTE UND LIZENZEN
LEVERKUSEN, GERMANY D-51368
2
ADOB, UL. WARSZAWSKA 39/41
POZNAN, POLAND 61-028
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11973697
Correspondence name and address
LANXESS CORPORATION
111 RIDC PARK WEST DRIVE
LAW & INTELLECTUAL PROPERTY DEPT.
PITTSBURGH, PA 15275
Assignment: 22
Reel/Frame:015085/0260   Pages: 2
Recorded: 08/26/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/26/2004
2
Exec Dt:
08/03/2004
3
Exec Dt:
07/26/2004
Assignee
1
PATENTE UND LIZENZEN
D51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
10873059
Correspondence name and address
LANXESS CORPORATION
DIDERICO VAN EYL
100 BAYER ROAD
PITTSBURGH, PA 15205-9741
Assignment: 23
Reel/Frame:016399/0686   Pages: 3
Recorded: 06/23/2005
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
05/06/2005
2
Exec Dt:
04/26/2005
3
Exec Dt:
04/22/2005
4
Exec Dt:
04/19/2005
5
Exec Dt:
04/19/2005
Assignee
1
D-51368 LEVERKUSEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
11081092
Correspondence name and address
DIDERICO VAN EYL
LAW & INTELLECTUAL PROPERTY DEPT
111 RIDC PARK WEST DRIVE
PITTSBURGH, PA 15275-1112

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