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Patent Assignment Details
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Reel/Frame:005688/0431   Pages: 2
Recorded: 05/03/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Total properties: 1
1
Patent #:
Issue Dt:
07/07/1992
Application #:
07658087
Filing Dt:
02/20/1991
Title:
ISOLATION OF TETRAHYDROFURAN FROM MIXTURES WHICH CONTAIN TETRAHYDROFURAN, 1,4-BUTANEDIOL, GAMMA-BUTYRO-LACTONE AND SUCCINIC ACID ESTERS
Assignors
1
Exec Dt:
03/22/1991
2
Exec Dt:
03/22/1991
3
Exec Dt:
03/22/1991
4
Exec Dt:
03/22/1991
5
Exec Dt:
03/22/1991
Assignee
1
LUDWIGSHAFEN, RHEINLAND-PFALZ, GERMANY 6700
Correspondence name and address
JOHN H. SHURTLEFF
140 S. DEARBORN ST, STE 411
CHICAGO, IL 60603

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