Patent Assignment
Reel/Frame 073550/0355
Assignment of Assignor's Interest
Recorded: 2026-01-22
Pages: 4
Assignors
LEWIS, DAVID C.
Executed: 2019-11-14
CLEMENTS, JOHN
Executed: 2019-11-14
MACHAC, JAMES
Executed: 2021-12-14
Assignee
HUNTSMAN PETROCHEMICAL LLC
10003 WOODLOCH FOREST DRIVE, THE WOODLANDS, TEXAS, 77380
Covered Property
(1)
Synergistic Performance of Amine Blends in Shale Control
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 →