Patent Assignment
Reel/Frame 003902/0685
Assignment of Assignors Interest.
Recorded: 1981-07-16
Pages: 2
Assignor
ZUKOWSKI, EDWARD A.
Executed: 1981-07-14
Assignee
EL PASO POLYOLEFINS COMPANY
115W CENTURY RD., A CORP. OF DE, PARAMUS, NEW JERSEY, 07652
Covered Property
(1)
Two-Phase Ethylene- Propylene Block Copolymerization Process
Patent:
4,334,041 →
Application:
06/283,777 →
Related Assignments
(9)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Apr 21, 1988
From: EL PASO PRODUCTS COMPANY, A DE CORP.
To: CITIBANK, N.A.
Reel/Frame 004881/0362 →
License
Apr 21, 1988
From: CITIBANK, N.A.
To: EL PASO PRODUCTS COMPANY
Reel/Frame 004881/0379 →
Assignment of Assignors Interest.
Jun 1, 1988
From: EL PASO POLYOLEFINS COMPANY
To: EL PASO PRODUCTS COMPANY
Reel/Frame 004891/0227 →
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 →
Released by Secured Party
Dec 7, 1992
From: CITIBANK, N.A.
To: REXENE CORPORATION
Reel/Frame 006355/0088 →
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 006359/0339 →
Security Interest
Dec 18, 1992
From: REXENE CORPORATION
To: CHEMICAL BANK
Reel/Frame 006359/0313 →
Release of Interest in Patents
Sep 11, 1997
From: CHEMICAL BANK
To: REXENE CORPORATION
Reel/Frame 008677/0414 →