Patent Assignment
Reel/Frame 008909/0117
Assignment of Assignor's Interest
Recorded: 1997-12-16
Pages: 2
Assignee
PHILLIPS PETROLEUM COMPANY, A CORP. OF DELAWARE
BARTLESVILLE, OKLAHOMA, 74007
Covered Property
(1)
Process to Produce Branched Polymers from Ethylene Feedstock
Patent:
6,255,413 →
Application:
08/991,318 →
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.