Patent Assignment
Reel/Frame 071889/0143
Assignment of Assignor's Interest
Recorded: 2025-07-31
Pages: 2
Assignor
ZHOU, HUI
Executed: 2024-01-09
Assignee
HUNTSMAN PETROCHEMICAL LLC
10003 WOODLOCH FOREST DRIVE, THE WOODLANDS, TEXAS, 77380
Covered Property
(1)
One Step Reaction for the Catalytic Synthesis of Cyclic Urea Derivatives
Application:
19/146,550 →
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 →