Patent Assignment
Reel/Frame 004545/0531
Assignment of Assignors Interest.
Recorded: 1986-05-12
Pages: 1
Assignor
TAU, KWOLIANG D.
Executed: 1985-08-30
Assignee
CELANESE CORPORATION, A CORP. OF DE.
1211 AVENUE OF THE AMERICAS,, NEW YORK, NEW YORK, 10036
Covered Property
(1)
Production of 2-Methylbutanal
Patent:
4,605,781 →
Application:
06/772,219 →
Related Assignments
(4)
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 →
Security Agreement
May 6, 2004
From: CELANESE INTERNATIONAL CORPORATION
To: DEUTSCHE BANK AG, NEW YORK BRANCH
Reel/Frame 014609/0519 →
Security Agreement
Nov 19, 2004
From: CELANESE INTERNATIONAL CORPORATION
To: DEUTSCHE BANK AG, NEW YORK BRANCH
Reel/Frame 015394/0181 →