Patent Assignment
Reel/Frame 008261/0532
Assignment of Assignor's Interest
Recorded: 1996-12-09
Pages: 12
Assignor
USX CORPORATION
Executed: 1986-12-04
Assignee
ARISTECH CHEMICAL CORPORATION
600 GRANT STREET, ROOM 1185, PITTSBURGH, PENNSYLVANIA, 15219
Covered Property
(1)
Process for Removing Ammonia and Acid Gases from Process Streams
Patent:
4,594,131 →
Application:
06/640,063 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Aug 13, 1984
From: MAIER, EDWARD E.
To: UNITED STATES STEEL CORPORATION
Reel/Frame 004309/0016 →
Assignment of Assignors Interest.
Dec 12, 1986
From: USX CORPORATION; USX CORPORATION
To: ARISTECH CHEMICAL CORPORATION
Reel/Frame 004681/0925 →
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 →