Patent Assignment
Reel/Frame 004128/0066
Assignment of Assignors Interest.
Recorded: 1983-05-09
Pages: 2
Assignors
BOODMAN, NORMAN S.
Executed: 1983-04-28
FARR, ELVIN L.
Executed: 1983-04-28
OSTERHOLM, ROBERT J.
Executed: 1983-04-28
GREEN, NEULAN B., III
Executed: 1983-04-28
Assignee
UNITED STATES STEEL CORPOATION
PITTSBURGH, PENNSYLVANIA
Covered Property
(1)
Process for Removing Solids from Coal Tar
Patent:
4,436,615 →
Application:
06/493,118 →
Related Assignments
(5)
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 →
Security Agreement
Jan 14, 1998
From: KOPPERS INDUSTRIES, INC.
To: MELLON BANK, N.A.
Reel/Frame 008869/0926 →
Assignment of Assignor's Interest
Mar 5, 2002
From: ARISTECH CHEMICAL CORPORATION
To: SUNOCO, INC. (R&M)
Reel/Frame 012665/0008 →
Assignment of Assignor's Interest
Jul 22, 2002
From: ARISTECH CHEMICAL CORPORATION
To: KOPPERS INDUSTRIES, INC.
Reel/Frame 013110/0660 →