Patent Assignment
Reel/Frame 004356/0053
Assignment of Assignors Interest.
Recorded: 1985-01-08
Pages: 1
Assignor
WALEWSKI, LEONARD M.
Executed: 1985-01-04
Assignee
UNITED STATES STEEL CORPORATION
PITTSBURGH, PENNSYLVANIA
Covered Property
(1)
Inhibiting Styrene Emissions in Unsaturated Polyester Resins
Patent:
4,546,142 →
Application:
06/689,697 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
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 25, 1996
From: ARISTECH CHEMICAL CORPORATION
To: ASHLAND INC.
Reel/Frame 007863/0208 →
Assignment of Assignor's Interest
Mar 5, 2002
From: ARISTECH CHEMICAL CORPORATION
To: SUNOCO, INC. (R&M)
Reel/Frame 012665/0008 →