Patent Assignment
Reel/Frame 007089/0383
Assignment of Assignor's Interest
Recorded: 1994-08-01
Pages: 3
Assignor
AIR PRODUCTS AND CHEMICALS, INC.
Executed: 1990-01-31
Assignee
HOECHST CELANESE CORPORATION
ROUTE 202-206 NORTH, SOMERVILLE, NEW JERSEY, 08876
Covered Properties
(2)
Pervaporation Process for Separating Alcohols from Ethers
Patent:
4,774,365 →
Application:
07/125,516 →
Air Dried Cellulose Acetate Membranes
Patent:
4,855,048 →
Application:
07/150,265 →
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Nov 25, 1987
From: CHEN, MICHAEL SHI-KUAN; ENG, ROBERT M.; GLAZER, JEROME L.; WENSLEY, CHARLES G.
To: AIR PRODUCTS AND CHEMICALS, INC., P.O. BOX 538, ALLENTOWN, PA. 18105, A CORP. OF DE.
Reel/Frame 004814/0608 →
Assignment of Assignors Interest.
Jan 29, 1988
From: TANG, MAN-WING; KING, WILLIAM M.; WENSLEY, C. GLEN
To: AIR PRODUCTS AND CHEMICALS, INC.
Reel/Frame 004854/0058 →
Assignment of Assignor's Interest
Nov 14, 1994
From: HOECHST CELANESE CORPORATION
To: UOP
Reel/Frame 007203/0455 →
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 →