IP Library Assignment 008603/0116
Patent Assignment
Reel/Frame 008603/0116

Assignment of Assignor's Interest

Recorded: 1997-06-04 Pages: 2
Assignors
CHEUNG, TIN-TACK PETER
Executed: 1997-05-15
JOHNSON, MARVIN M.
Executed: 1997-05-15
Assignee
Covered Property (1)
Hydrocarbon Hydrogenation Process
Patent: 5,866,735 →
Application: 08/867,872 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 20, 2015
From: PHILLIPS PETROLEUM COMPANY
To: CHEVRON PHILLIPS CHEMICAL COMPANY LP
Reel/Frame 036407/0440 →