Patent Assignment
Reel/Frame 003991/0055
Assignment of Assignors Interest.
Recorded: 1982-05-26
Pages: 1
Assignee
EL PASO COMPANY
P.O. BOX 3986, A CORP. OF TX., ODESSA, TEXAS
Covered Property
(1)
Catalyst Composition for Producing Tertiary-Butylistyrene
Patent:
4,363,748 →
Application:
06/345,157 →
Related Assignments
(6)
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 →
Change of Name Effective on 04/09/1986
Dec 17, 1992
From: REXENE PRODUCTS COMPANY
To: REXENE CORPORATION
Reel/Frame 006359/0659 →
Security Interest
Dec 18, 1992
From: REXENE CORPORATION
To: CHEMICAL BANK
Reel/Frame 006359/0313 →
Security Interest
Dec 18, 1992
From: REXENE CORPORATION
To: CHEMICAL BANK
Reel/Frame 006359/0339 →
Release of Interest in Patents
Sep 11, 1997
From: CHEMICAL BANK
To: REXENE CORPORATION
Reel/Frame 008677/0414 →