IP Library › Assignment 057858/0609
Patent Assignment
Reel/Frame 057858/0609

Assignment of Assignor's Interest

Recorded: 2021-10-21 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 Properties (2)
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
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 Apr 19, 2024
From: LIEF, GRAHAM R.; YANG, QING; HASCHKE, ERIC J.
To: CHEVRON PHILLIPS CHEMICAL COMPANY LP
Reel/Frame 067159/0828 →