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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
10/30/1990
Application #:
07073584
Filing Dt:
07/15/1987
Inventors:
GUENES GIRAY, KLAUS HUTHMACHER, AXEL KLEEMANN, THOMAS LIED
Title:
PROCESS FOR THE PRODUCTION OF 1,2-DITHIOLAN-3-PENTANOIC ACID (THIOCTIC ACID) AND 8-HYDROCARBYLTHIO-6-OXOOCTANOIC ACID
Assignment: 1
Reel/Frame:
005630/0431Recorded: 03/12/1991Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
02/19/1991
Assignee:
WEISSMULLERSTRASSE 45
6000 FRANKFURT/MAIN 1, GERMANY
Correspondent:
CUSHMAN, DARBY & CUSHMAN
ELEVENTH FLOOR
1615 L STREET, N.W.
WASHINGTON, DC 20036-5601
Assignment: 2
Reel/Frame:
013386/0851Recorded: 10/21/2002Pages: 10
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
11/05/2001
Assignee:
WEISMULLERSTRASSE 45
FRANKFURT AM MAIN, GERMANY 60314
Correspondent:
VENABLE
ANN S. HOBBS
P.O. BOX 34385
WASHINGTON, DC 20043-9998
Assignment: 3
Reel/Frame:
019111/0228Recorded: 04/04/2007Pages: 17
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
01/23/2006
Assignee:
BENZSTRASSE 1
BAD HOMBURG, GERMANY 61352
Correspondent:
THOMAS A. CAWLEY, JR., PH.D.
1650 TYSONS BOULEVARD
PILLSBURY WINTHROP SHAW PITTMAN LLP
MCLEAN, VA 22102

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