Patent Assignment
Reel/Frame 050654/0274
Assignment of Assignor's Interest
Recorded: 2019-10-08
Pages: 9
Assignors
LIEF, GRAHAM R.
Executed: 2019-09-18
YANG, QING
Executed: 2019-09-18
HASCHKE, ERIC
Executed: 2019-09-18
Assignee
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE, THE WOODLANDS, TEXAS, 77380
Covered Property
(1)
Catalyst Composition and Method for Preparing Polyethylene
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 21, 2021
From: LIEF, GRAHAM R.; YANG, QING; HASCHKE, ERIC
To: CHEVRON PHILLIPS CHEMICAL COMPANY LP
Reel/Frame 057858/0609 →
Assignment of Assignor's Interest
Apr 19, 2024
From: LIEF, GRAHAM R.; YANG, QING; HASCHKE, ERIC J.
To: CHEVRON PHILLIPS CHEMICAL COMPANY LP
Reel/Frame 067159/0828 →