IP Library Assignment 003866/0786
Patent Assignment
Reel/Frame 003866/0786

Re-Record of Instrument Recorded Feb. 26, 1980 Reel 3733 Frame 103 to Correct Filing Date.

Recorded: 1981-07-02 Pages: 1
Assignor
CYWINSKI NORBERT F.
Executed: 1979-10-31
Assignee
Covered Property (1)
Treatment of Waste Stream from Adipic Acid Manufacture
Patent: 4,271,315 →
Application: 06/094,427 →
Related Assignments (7)
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 →
Change of Name Sep 16, 1997
From: REXENE CORPORATION
To: HUNTSMAN POLYMERS CORPORATION
Reel/Frame 008715/0176 →