IP Library › Assignment 067159/0828
Patent Assignment
Reel/Frame 067159/0828

Assignment of Assignor's Interest

Recorded: 2024-04-19 Pages: 9
Assignors
LIEF, GRAHAM R.
Executed: 2019-09-18
YANG, QING
Executed: 2018-09-18
HASCHKE, ERIC J.
Executed: 2019-09-18
Assignee
CHEVRON PHILLIPS CHEMICAL COMPANY LP
P.O. BOX 4910, THE WOODLANDS, TEXAS, 77387-4910
Covered Properties (3)
Catalyst Composition and Method for Preparing Polyethylene
Application: 16/593,566 →
Publication: US 2021/0102017
Catalyst Composition and Method for Preparing Polyethylene
Application: 17/466,696 →
Publication: US 2021/0395413
Catalyst Composition and Method for Preparing Polyethylene
Application: 18/638,423 →
Publication: US 2024/0279371
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 8, 2019
From: LIEF, GRAHAM R.; YANG, QING; HASCHKE, ERIC
To: CHEVRON PHILLIPS CHEMICAL COMPANY LP
Reel/Frame 050654/0274 →
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 →