Patent Assignment
Reel/Frame 005086/0857
Assignment of Assignors Interest.
Recorded: 1989-05-30
Pages: 1
Assignee
Covered Property
(1)
Treatment of Arsine Removal Catalysts
Patent:
4,962,272 →
Application:
07/358,287 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
May 4, 1990
From: ARISTECH CHEMICAL CORPORATION
To: MITSUBISHI BANK LIMITED, THE, NEW YORK BRANCH, AS AGENT
Reel/Frame 005294/0818 →
Assignment of Assignor's Interest
Mar 5, 2002
From: ARISTECH CHEMICAL CORPORATION
To: SUNOCO, INC. (R&M)
Reel/Frame 012665/0008 →
Release of Security Interest
Nov 24, 2003
From: BANK OF TOKYO-MITSUBISHI, LTD., ACTING THROUGH ITS NEW YORK BRANCH, SUCCESSOR BY MERGER TO THE MITSUBISHI ANK, LIMITED, NEW YORK BRANCH, THE
To: ARISTECH CHEMICAL CORPORATION
Reel/Frame 014709/0196 →