Patent Assignment
Reel/Frame 004063/0392
Assignment of Assignors Interest.
Recorded: 1982-10-27
Pages: 1
Assignor
CIHONSKI, JOHN L.
Executed: 1982-10-06
Assignee
EL PASO PRODUCTS COMPANY
A CORP. OF TX, ODESSA, TEXAS
Covered Property
(1)
Process for the Production of Ethylbenzene
Patent:
4,429,175 →
Application:
06/437,029 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 30, 1986
From: EL PASO PRODUCTS COMPANY, A CORP. OF TEXAS
To: EL PASO PRODUCTS COMPANY
Reel/Frame 004568/0515 →
Certificate of Awmendment of Certificate of Incorporation
Feb 17, 1989
From: EL PASO PRODUCTS COMPANY, A CORP. OF DE.
To: REXENE PRODUCTS COMPANY
Reel/Frame 006359/0332 →
Release of Interest in Patents
Sep 11, 1997
From: CHEMICAL BANK
To: REXENE CORPORATION
Reel/Frame 008677/0414 →