IP Library Assignment 003883/0339
Patent Assignment
Reel/Frame 003883/0339

Assignment of Assignors Interest.

Recorded: 1981-07-13 Pages: 1
Assignor
TASKIER HENRY T.
Executed: 1980-02-21
Assignee
CELANESE CORPORATION, A CORP. OF DE.
1211 AVE. OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property (1)
Coated Open-Celled Microporous Membranes
Patent: 4,298,666 →
Application: 06/125,195 →
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 29, 1998
From: HOECHST CELANESE CORPORATION
To: CELGARD LLC
Reel/Frame 009168/0439 →
Assignment of Assignor's Interest Dec 30, 1999
From: CELGARD LLC
To: CELGARD, INC., A CORP. OF DELAWARE
Reel/Frame 010506/0869 →
Security Agreement Nov 29, 2002
From: CELGARD, INC.
To: CHASE MANHATTAN BANK, AS ADMINISTRATIVE AGENT, THE
Reel/Frame 013964/0538 →