Patent Assignment
Reel/Frame 005064/0155
Assignment of Assignors Interest.
Recorded: 1989-04-13
Pages: 2
Assignors
ALVAREZ, EDWARDO
Executed: 1989-04-04
DI SANO, LORENZO P.
Executed: 1989-04-04
WARD, BENNETT C.
Executed: 1989-03-30
Assignee
HOECHST CELANESE CORPORATION, A CORP. OF DE
ROUTE 202-206 NORTH, SOMERVILLE, NEW JERSEY, 08876
Covered Property
(1)
Sintered Polybenzimidazole/Polyaryleneketone Articles and Method of Manufacture
Patent:
4,912,176 →
Application:
07/340,367 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Oct 12, 2005
From: HOECHST CELANESE CORPORATION
To: CELANESE ACETATE LLC
Reel/Frame 016630/0446 →
Assignment of Assignor's Interest
Oct 13, 2005
From: CELANESE ACETATE LLC
To: CNA HOLDINGS, INC.
Reel/Frame 016630/0718 →
Assignment of Assignor's Interest
Oct 14, 2005
From: CNA HOLDINGS, INC.
To: CELANESE ADVANCED MATERIALS, INC.
Reel/Frame 016641/0084 →
Assignment of Assignor's Interest
Oct 14, 2005
From: CELANESE ADVANCED MATERIALS, INC.
To: PBI PERFORMANCE PRODUCTS, INC.
Reel/Frame 016641/0102 →