Patent Assignment
Reel/Frame 004477/0558
Assignment of Assignors Interest.
Recorded: 1985-11-14
Pages: 1
Assignor
MOTT, GRAHAM N.
Executed: 1985-02-04
Covered Property
(1)
Process for Producing Hydroxy Aromatic Ketones
Patent:
4,607,125 →
Application:
06/721,007 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Mar 10, 1989
From: CELANESE CORPORATION, A CORP. OF DE (MERGED INTO)
To: AMERICAN HOECHST CORPORATION, A CORP. OF DE
Reel/Frame 005046/0390 →
Assignment of Assignor's Interest
Mar 27, 1998
From: HOECHST CELANESE CORPORATION
To: CELANESE INTERNATIONAL CORPORATION
Reel/Frame 009052/0337 →
Assignment of Assignor's Interest
May 3, 1999
From: CELANSES INTERNATIONAL CORPORATION
To: BASF CORPORATION
Reel/Frame 009922/0480 →