Patent Assignment
Reel/Frame 008268/0293
Assignment of Assignor's Interest
Recorded: 1996-12-13
Pages: 12
Assignor
USX CORPORATION
Executed: 1996-12-04
Assignee
ARISTECH CHEMICAL CORPORATION
ROOM 1185, LAW DEPT., 600 GRANT STREET, PITTSBURGH, PENNSYLVANIA, 15219
Covered Property
(1)
Crystalline Magnesia-Silica Composites and Process for Producing Same
Patent:
4,623,530 →
Application:
06/703,568 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 20, 1985
From: CULLO, LEONARD A.; RESTELLI, EDWARD F. JR.; SHIRING, FRANCIS J. III
To: UNITES STATES STEEL CORPORATION A CORP OF DE
Reel/Frame 004373/0455 →
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 →