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Patent Assignment Assignor Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Assignor Name : SCHLAEFER, DIETER
Total Assignments: 14
Assignment: 1
Reel/Frame:004442/0783   Pages: 1
Recorded: 08/19/1985
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
ROOS, HANS
Exec Dt:
07/09/1984
2
SCHLAEFER, DIETER
Exec Dt:
07/09/1984
3
BOEHN, HUGO
Exec Dt:
07/09/1984
4
BITTLER, KNUT
Exec Dt:
07/09/1984
5
KILTHAU, HEINZ
Exec Dt:
07/09/1984
Assignee
1
BASF AKTIENGESELLSCHAFT, 6700 LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY
GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4557818
NONE
06630184
Correspondence name and address
KEIL & WEINKAUF
1101 CONN. AVE., N.W.
WASHINGTON, DC 20036
Assignment: 2
Reel/Frame:005013/0942   Pages: 1
Recorded: 01/25/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
SCHLAEFER, DIETER
Exec Dt:
02/15/1988
2
KOCHANEK, WOLFGANG
Exec Dt:
02/15/1988
3
LEUTNER, BERND
Exec Dt:
02/15/1988
Assignee
1
BASF AKTIENGESELLSCHAFT
6700 LUDWIGSHAFEN
RHEINLAND-PFALZ, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
4837002
NONE
07158745
Correspondence name and address
KEIL & WEINKAUF
1101 CONNECTICUT AVE., N. W.
WASHINGTON, DC 20036
Assignment: 3
Reel/Frame:007933/0738   Pages: 2
Recorded: 03/21/1996
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
KROENER, RUDI
Exec Dt:
01/08/1996
2
LEUTNER, BERND
Exec Dt:
01/08/1996
3
SCHLAEFER, DIETER
Exec Dt:
01/31/1996
4
STEINER, WOLFGANAG
Exec Dt:
01/31/1996
5
FRIEDRICH, HOLGER
Exec Dt:
01/08/1996
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5899393
NONE
08585350
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 4
Reel/Frame:009029/0405   Pages: 2
Recorded: 01/27/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PUETTER, HERMANN
Exec Dt:
09/23/1996
2
HUBER, GUENTHER
Exec Dt:
09/23/1996
3
SPISKE, LUISE
Exec Dt:
09/23/1996
4
STARK, HANS
Exec Dt:
09/23/1996
5
SCHLAEFER, DIETER
Exec Dt:
09/23/1996
6
PFORR, GERHARD
Exec Dt:
09/23/1996
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6235183
NONE
09000276
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 5
Reel/Frame:009090/0836   Pages: 3
Recorded: 03/27/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRIEDRICH, HOLGER
Exec Dt:
11/21/1997
2
HOPPE, KLAUS-DIETER
Exec Dt:
11/21/1997
3
LEUTNER, BERND
Exec Dt:
11/21/1997
4
SCHLAEFER, DIETER
Exec Dt:
11/21/1997
5
HECKY, KURT
Exec Dt:
11/21/1997
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5919348
NONE
08982441
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVENUE, N.W.
WASHINGTON, D.C. 20036
Assignment: 6
Reel/Frame:009032/0538   Pages: 2
Recorded: 03/13/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHLAEFER, DIETER
Exec Dt:
11/27/1997
2
MAUSS, MICHAEL
Exec Dt:
11/27/1997
3
RAULS, MATTHIAS
Exec Dt:
11/27/1997
4
BAUMANN, DIETER
Exec Dt:
11/27/1997
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6113657
NONE
09041691
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 7
Reel/Frame:009550/0706   Pages: 3
Recorded: 10/21/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
FRIEDRICH, HOLGER
Exec Dt:
07/02/1998
2
BROECKEL, ULRICH
Exec Dt:
07/02/1998
3
SCHLAEFER, DIETER
Exec Dt:
07/02/1998
4
HOPPE, KLAUS-DIETER
Exec Dt:
07/02/1998
5
HECKY, KURT
Exec Dt:
07/02/1998
6
PALM, PETER
Exec Dt:
07/02/1998
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6352660
NONE
09176151
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVENUE, N.W
WASHINGTON, D.C. 20036
Assignment: 8
Reel/Frame:010458/0240   Pages: 3
Recorded: 12/13/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUBER, GUENTHER
Exec Dt:
10/28/1999
2
PUETTER, HERMANN
Exec Dt:
10/28/1999
3
SCHIERLE-ARNDT, KERSTIN
Exec Dt:
10/28/1999
4
SCHLAEFER, DIETER
Exec Dt:
10/28/1999
5
GUTH, JOSEF
Exec Dt:
10/28/1999
6
SCHUBE, BERND
Exec Dt:
10/28/1999
7
LENZ, DIETHARD
Exec Dt:
10/28/1999
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6409908
NONE
09459726
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W
WASHINGTON, D.C 20036
Assignment: 9
Reel/Frame:010637/0052   Pages: 3
Recorded: 03/20/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHIERLE-ARNDT, KERSTIN
Exec Dt:
02/28/2000
2
PUETTER, HERMANN
Exec Dt:
02/28/2000
3
HUBER, GUENTHER
Exec Dt:
02/28/2000
4
SCHLAEFER, DIETER
Exec Dt:
02/28/2000
5
GUTH, JOSEF
Exec Dt:
02/28/2000
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6287448
NONE
09531471
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. NW
WASHINGTON, DC 20036
Assignment: 10
Reel/Frame:010857/0915   Pages: 3
Recorded: 06/08/2000
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HUBER, GUENTHER
Exec Dt:
03/22/2000
2
PUETTER, HERMANN
Exec Dt:
03/22/2000
3
SCHIERLE-ARNDT, KERSTIN
Exec Dt:
03/22/2000
4
SCHLAEFER, DIETER
Exec Dt:
03/22/2000
5
GUTH, JOSEF
Exec Dt:
03/22/2000
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6368487
NONE
09589163
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE. N.W.
WASHINGTON, D.C. 20036
Assignment: 11
Reel/Frame:012215/0193   Pages: 3
Recorded: 09/28/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHIERLE-ARNDT, KERSTIN
Exec Dt:
08/07/2001
2
STERZEL, HANS-JOSEF
Exec Dt:
08/07/2001
3
SCHLAEFER, DIETER
Exec Dt:
08/07/2001
4
GUTH, JOSEF
Exec Dt:
08/07/2001
5
FRIEDRICH, HOLGER
Exec Dt:
08/07/2001
6
ZEHNER, PETER
Exec Dt:
08/07/2001
Assignee
1
BASF AKTIENGESELLSCHAFT
D-67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6657091
US20020062050
09964798
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 12
Reel/Frame:012757/0450   Pages: 3
Recorded: 02/25/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
PUETTER, HERMANN
Exec Dt:
12/13/2001
2
HUBER, GUENTHER
Exec Dt:
12/13/2001
3
SCHIERLE-ARNDT, KERSTIN
Exec Dt:
12/13/2001
4
SCHLAEFER, DIETER
Exec Dt:
12/13/2001
5
GUTH, JOSEF
Exec Dt:
12/13/2001
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6770187
NONE
10069369
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1101 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 13
Reel/Frame:013550/0326   Pages: 3
Recorded: 12/04/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHLAEFER, DIETER
Exec Dt:
10/24/2002
2
GUTH, JOSEF
Exec Dt:
10/24/2002
3
SCHLIMPER, HANS-ULRICH
Exec Dt:
10/24/2002
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
6890508
US20030108468
10309128
Correspondence name and address
KEIL & WEINKAUF
HERBERT B. KEIL
1350 CONNECTICUT AVE., N.W.
WASHINGTON, D.C. 20036
Assignment: 14
Reel/Frame:015971/0559   Pages: 3
Recorded: 11/08/2004
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
SCHIERLE-ARNDT, KERSTIN
Exec Dt:
09/22/2004
2
ANSMANN, ANDREAS
Exec Dt:
09/22/2004
3
STERZEL, HANS-JOSEF
Exec Dt:
09/22/2004
4
SCHLAEFER, DIETER
Exec Dt:
09/22/2004
5
GUTH, JOSEF
Exec Dt:
09/22/2004
6
FRIEDRICH, HOLGER
Exec Dt:
09/22/2004
Assignee
1
BASF AKTIENGESELLSCHAFT
67056 LUDWIGSHAFEN, GERMANY
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20050101806
10982850
Correspondence name and address
HERBERT B. KEIL
KEIL & WEINKAUF
1350 CONNECTICUT AVE. NW
WASHINGTON, DC 20036

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