IP Library Assignment 009008/0523
Patent Assignment
Reel/Frame 009008/0523

Assignment of Assignor's Interest

Recorded: 1998-02-23 Pages: 2
Assignors
JUNG, MICHAEL
Executed: 1997-10-14
ALT, HELMUT G.
Executed: 1997-10-14
WELCH, M. BRUCE
Executed: 1997-10-17
Assignee
PHILLIPS PETROLEUM COMPANY, A CORP. OF DELAWARE
BARTLESVILLE, OKLAHOMA, 74004
Covered Property (1)
Bridged Fluorenyl/Indenyl Metallocenes and the Use Thereof
Patent: 5,886,202 →
Application: 08/928,820 →
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 →