Patent Assignment
Reel/Frame 055383/0805
Assignment of Assignor's Interest
Recorded: 2021-02-24
Pages: 7
Assignors
ZHENG, CHAI
Executed: 2021-02-20
LEWIS, DAVID C.
Executed: 2019-04-10
CHAMPION, DONALD H
Executed: 2019-04-10
JUVENTINO, URIARTE
Executed: 2019-04-10
ZHOU, HUI
Executed: 2019-11-01
ZHANG, KE
Executed: 2019-11-01
Assignee
HUNTSMAN PETROCHEMICAL LLC
10003 WOODLOCH FOREST DRIVE, THE WOODLANDS, TEXAS, 77380
Covered Property
(1)
Quarternary Ammonium Hydroxides of Polyamines
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Patent Security Agreement
Mar 10, 2026
From: HUNTSMAN INTERNATIONAL LLC; HUNTSMAN ADVANCED MATERIALS AMERICAS LLC; HUNTSMAN NANOCAMP LLC; HUNTSMAN PETROCHEMICAL LLC
To: CITIBANK, N.A.
Reel/Frame 075106/0238 →
Security Interest
May 4, 2026
From: HUNTSMAN INTERNATIONAL LLC; HUNTSMAN ADVANCED MATERIALS AMERICAS LLC; HUNTSMAN NANOCOMP LLC; HUNTSMAN PETROCHEMICAL LLC
To: CITIBANK N.A.
Reel/Frame 075498/0663 →