Patent Assignment
Reel/Frame 004261/0663
Assignment of Assignors Interest.
Recorded: 1984-05-17
Pages: 2
Assignor
YOON, HYUN-NAM
Executed: 1984-05-14
Assignee
CELANESE CORPORATION,
NY, NEW YORK
Covered Property
(1)
Process for Forming Thermally Stable Thermotropic Liquid Crystalline Polyesters of Predetermined Chain Length Utilizing Aromatic Hydroxyl Monomer and/or Aromatic Amine Monomer
Patent:
4,567,247 →
Application:
06/611,299 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Jun 8, 1987
From: AMERICAN HOECHST CORPORATION (INTO); CELANESE CORPORATION
To: HOECHST CELANESE CORPORATION
Reel/Frame 004754/0097 →
Change of Name
Mar 31, 2004
From: HOECHST CELANESE CORPORATION
To: HNA HOLDINGS, INC.
Reel/Frame 014506/0001 →
Change of Name
Mar 31, 2004
From: HNA HOLDINGS, INC. (DE CORPORATION)
To: CNA HOLDINGS, INC.
Reel/Frame 014515/0141 →
Security Agreement
May 6, 2004
From: CNA HOLDINGS, INC.
To: DEUTSCHE BANK AG, NEW YORK BRANCH
Reel/Frame 014601/0761 →
Security Interest
Nov 19, 2004
From: CNA HOLDINGS, INC. (F/K/A/ HOECHST CELANESE CORPORATION AND HNA HOLDINGS, INC.)
To: DEUTSCHE BANK AG, NEW YORK BRANCH
Reel/Frame 015394/0158 →