Patent Assignment
Reel/Frame 019930/0702
Change of Name
Recorded: 2007-10-08
Pages: 4
Assignor
PHILLIPS PETROLEUM COMPANY
Executed: 2002-12-31
Assignee
CONOCOPHILLIPS COMPANY
600 N. DAIRY ASHFORD, HOUSTON, TEXAS, 77079
Covered Property
(1)
Sulfolane Purification by Hydrocarbon Extraction
Patent:
5,264,650 →
Application:
07/991,919 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Dec 17, 1992
From: BETTER, M. A.; CHILD, J. E.; DEL ROSSI, K. J.; EDELSON, E. H.
To: MOBIL OIL CORPORATION
Reel/Frame 006366/0129 →
Assignment of Assignor's Interest
Feb 7, 1995
From: MOBIL OIL CORPORATION
To: PHILLIPS PETROLEUM COMPANY
Reel/Frame 007320/0276 →
Assignment of Assignor's Interest
Feb 5, 2008
From: CONOCOPHILLIPS COMPANY
To: UOP LLC
Reel/Frame 020462/0060 →