IP Library Assignment 005088/0291
Patent Assignment
Reel/Frame 005088/0291

Assignment of Assignors Interest.

Recorded: 1989-06-08 Pages: 1
Covered Property (1)
Oxidative Dehydrogenation of Amylenes
Patent: 4,973,793 →
Application: 07/363,591 →
Related Assignments (12)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest Jul 29, 1996
From: TEXAS PETROCHEMICALS CORPORATION
To: TEXAS COMMERCE BANK NATIONAL ASSOC.
Reel/Frame 008067/0087 →
Grant of Patent Security Interest Nov 26, 2002
From: TEXAS PETROCHEMICALS L.P, A TEXAS LIMITED PARTNERSHIP
To: CREDIT SUISSE FIRST BOSTON, AS ADMINISTRATIVE AGENT
Reel/Frame 013532/0567 →
Conversion Dec 9, 2002
From: TEXAS PETROCHEMICALS CORPORATION
To: TEXAS PETROCHEMICALS LP
Reel/Frame 013552/0566 →
Release of Security Agreement Dec 17, 2002
From: TEXAS COMMERCE BANK NATIONAL ASSOC. (NOW KNOWN AS JPMORGAN CHASE)
To: TEXAS PETROCHEMICALS LP
Reel/Frame 013589/0364 →
Security Interest Apr 17, 2003
From: TEXAS PETROCHEMICALS LP
To: BANK OF AMERICA, N.A.
Reel/Frame 013974/0271 →
Security Interest Jun 2, 2004
From: TEXAS PETROCHEMICALS LP
To: U.S. BANK NATIONAL ASSOCIATION
Reel/Frame 015400/0093 →
Termination Jun 2, 2004
From: CREDIT SUISSE FIRST BOSTON, AS ADMINISTRATIVE AGENT
To: TEXAS PETROCHEMICALS LP
Reel/Frame 015386/0071 →
Termination Jun 2, 2004
From: BANK OF AMERICA, N.A., AS AGENT
To: TEXAS PETROCHEMICALS LP
Reel/Frame 015400/0083 →
Conversion of Texas Petrochemicals Lp Dec 18, 2008
From: TEXAS PETROCHEMICALS LP
To: TEXAS PETROCHEMICALS LLC
Reel/Frame 021998/0966 →
Change of Name Feb 1, 2010
From: TEXAS PETROCHEMICALS LLC
To: TPC GROUP LLC
Reel/Frame 023870/0598 →
Release of Security Interest in U.S. Patents May 5, 2010
From: U.S. BANK NATIONAL ASSOCIATION
To: TEXAS PETROCHEMICALS LP
Reel/Frame 024337/0518 →
Release of Security Interest Recorded at Reel/Frame 013974/0271 Jun 16, 2010
From: BANK OF AMERICA, N.A.
To: TEXAS PETROCHEMICALS LP (FORMERLY TEXAS PETROCHEMICALS CORPORATION)
Reel/Frame 024547/0076 →