Patent Assignment
Reel/Frame 019864/0615
Assignment of Assignor's Interest
Recorded: 2007-09-21
Pages: 4
Assignor
PHILLIPS PETROLEUM COMPANY
Executed: 2007-09-21
Assignee
CONOCOPHILLIPS COMPANY
600 S. DAIRY ASHFORD, HOUSTON, TEXAS, 77079
Covered Property
(1)
Method for Separating Sulfone from a Hydrocarbon Stream Having a Small Concentration of Sulfone
Patent:
6,245,956 →
Application:
08/388,532 →
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.