Patent Assignment
Reel/Frame 008579/0393
Assignment of Assignor's Interest
Recorded: 1996-11-05
Pages: 12
Assignor
USX CORPORATION
Executed: 1986-12-04
Assignee
ARISTECH CHEMICAL CORPORATION
ROOM 1185, LAW DEPARTMENT, 600 GRANT STREET, PITTSBURGH, PENNSYLVANIA, 15219
Covered Property
(1)
Impact Modified Methyl Methacrylate Polymer
Patent:
4,598,123 →
Application:
06/729,458 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jun 24, 1985
From: CUTTER, LOUIS A.
To: UNITED STATES STEEL CORPORATION
Reel/Frame 004418/0428 →
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
Aug 28, 1998
From: ARISTECH CHEMICAL CORPORATION
To: ARISTECH ACRYLICS LLC
Reel/Frame 009405/0759 →