Patent Assignment
Reel/Frame 005060/0478
Termination of Security Agreement Recorded July 25, 1986. Reel 4634 Frame 711-723, Debt Has Been Paid
Recorded: 1989-03-13
Pages: 12
Assignor
PETRO-TEK CHEMICAL CORPORATION
Executed: 1986-07-25
Covered Properties
(12)
Preparation of Aldehydes by Catalytic Oxidation
Patent:
3,031,508 →
Application:
03/799,103 →
Oxidation of Alpha Beta Unsaturated Aldehydes in the Presence of a Cat Alyst Containing V,P, Mn and O
Patent:
3,238,253 →
Application:
04/090,227 →
Catalytic Oxidation Process of Mono-Aryl Compounds
Patent:
3,562,318 →
Application:
04/598,172 →
Oxidative Dehydrogenation Process
Patent:
3,925,498 →
Application:
05/040,772 →
Dismutation of Olefins
Patent:
3,792,108 →
Application:
05/188,501 →
Preparation of Hydroperoxides by Autoxidation
Patent:
4,152,358 →
Application:
05/404,529 →
Modified Zinc Ferrite Oxidative Dehydrogenation Catalysts
Patent:
3,960,767 →
Application:
05/502,305 →
Oxychlorination of Hydrocarbons in the Presence of Non-Halide Copper C Ontaining Catalysts
Patent:
4,046,821 →
Application:
05/576,589 →
Catalyst for Removing Acetylenic Impurities
Patent:
4,009,126 →
Application:
05/593,724 →
Modified Zinc Ferrite Oxidative Dehydrogenation Catalysts
Patent:
4,020,120 →
Application:
05/638,742 →
Modified Zinc Ferrite Oxidative Dehydrogenation Catalysts in Oxidative Dehydrogenation
Patent:
4,332,972 →
Application:
05/940,478 →
Isobutene Removal from C4 Streams
Patent:
4,313,016 →
Application:
06/199,842 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 19, 1981
From: MANNING, HAROLD E.
To: PET5O-TEX CHEMICAL CORPORATION
Reel/Frame 003922/0772 →
Assignment of Assignors Interest.
Feb 19, 1982
From: MIKLAS, EDWARD J.; CHRISTMANN, HAROLD F.
To: PETRO-TEX CHEMICAL CORPORATION, A CORP. OF DE
Reel/Frame 003949/0348 →
Security Interest
Jul 29, 1996
From: TEXAS PETROCHEMICALS CORPORATION
To: TEXAS COMMERCE BANK NATIONAL ASSOC.
Reel/Frame 008067/0087 →