Patent Assignment
Reel/Frame 003807/0825
Assignment of Assignors Interest.
Recorded: 1980-10-24
Pages: 1
Assignor
SOEHNGEN JOHN W.
Executed: 1979-04-06
Assignee
CELANESE CORPORATON, A CORP.OF DEL.
1211 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property
(1)
Solvent Stretch Process for Preparing Microporous Films from Precursor Films of Controlled Crystalline Structure
Patent:
4,255,376 →
Application:
06/044,805 →
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 →