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Patent Assignment Abstract of Title
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Total Assignments: 2
Patent #:
Issue Dt:
07/16/1991
Application #:
07606690
Filing Dt:
10/31/1990
Inventors:
FU-MING LEE, RONALD E. BROWN, MARVIN M. JOHNSON
Title:
EXTRACTIVE DISTILLATION OF HYDROCARBON MIXTURES
Assignment: 1
Reel/Frame:
005497/0984Recorded: 10/31/1990Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
10/30/1990
Exec Dt:
10/30/1990
Exec Dt:
10/30/1990
Assignee:
Correspondent:
RICHMOND, PHILLIPS, HITCHCOCK & UMPHLETT
P. O. BOX 2443
BARTLESVILLE, OK 74005
Assignment: 2
Reel/Frame:
022783/0989Recorded: 06/08/2009Pages: 9
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/12/2002
Assignee:
600 NORTH DAIRY ASHFORD
MA 1135
HOUSTON, TEXAS 77079-1175
Correspondent:
CONOCOPHILLIPS COMPANY - IP SERVICES GRO
600 NORTH DAIRY ASHFORD
MA 1135
HOUSTON, TX 77079-1175

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