Patent Assignment
Reel/Frame 004987/0982
Assignment of Assignors Interest.
Recorded: 1988-11-25
Pages: 1
Assignee
ARISTECH CHEMICAL CORPORATION, A CORP. OF DE
PITTSBURGH, PENNSYLVANIA, 15230
Covered Property
(1)
Purification of Neopentyl Glycol
Patent:
4,935,555 →
Application:
07/276,002 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →
Assignment of Assignor's Interest
May 20, 2004
From: SUNOCO, INC. (R&M)
To: BASF CORPORATION
Reel/Frame 015348/0730 →