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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
6221114
Issue Dt:
04/24/2001
Application #:
09380620
Filing Dt:
09/17/1999
Inventors:
FRANK WURTHNER, RUDIGER SENS, GUNTHER SEYBOLD, KARL-HEINZ ETZBACH
Title:
COLORANT SALTS AND THEIR USE IN DYEING POLYMERIC MATERIAL
Assignment: 1
Reel/Frame:
010349/0786Recorded: 11/02/1999Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
WURTHNER, FRANK
Exec Dt:
03/23/1998
SENS, RUDIGER
Exec Dt:
04/02/1999
SEYBOLD, GUNTHER
Exec Dt:
04/02/1999
ETZBACH KARL-HEINZ
Exec Dt:
04/02/1999
Assignee:
BASF AKTIENGESELLSCHAFT
LUDWIGSHAFEN, GERMANY
Correspondent:
OBLON, SPIVAK, MCCLELLAND , MAIER &
NEUSTADT, P.C.
NORMAN F. OBLON, ATTORNEYS AT LAW
1755 JEFFERSON DAVIS HWY. 4TH FLOOR
ARLINGTON, VA 22202
Assignment: 2
Reel/Frame:
010706/0741Recorded: 03/13/2000Pages: 3
Conveyance:
CORRECTED RECORDATION FORM COVERSHEET REEL/FRAME 010349/0786, BAR CODE NUMBER *101191458A*, TO CORRECT THE 1ST, 2ND, AND 3RD ASSIGNOR'S NAME; AND THE THE 2ND, 3RD, AND 4TH ASSIGNOR'S DOCUMENT DATES.
Assignors:
WUERTHNER, FRANK
Exec Dt:
03/23/1998
SENS, RUEDIGER
Exec Dt:
04/02/1998
SEYBOLD, GUENTHER
Exec Dt:
04/02/1998
ETZBACH, KARL-HEINZ
Exec Dt:
04/02/1998
Assignee:
BASF AKTIENGESELLSCHAFT
LUDWIGSHAFEN, GERMANY
Correspondent:
OBLON, SPIVAK, MCLLELAND, MAIER ET AL
NORMA F. OBLON
1755 JEFFERSON DAVIS HWY
FOURTH FLOOR
ARLINGTON, VA 22202

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