IP Library › Assignment 004854/0058
Patent Assignment
Reel/Frame 004854/0058

Assignment of Assignors Interest.

Recorded: 1988-01-29 Pages: 1
Assignors
TANG, MAN-WING
Executed: 1988-01-26
KING, WILLIAM M.
Executed: 1988-01-26
WENSLEY, C. GLEN
Executed: 1988-01-27
Assignee
AIR PRODUCTS AND CHEMICALS, INC.
P.O. BOX 538, A CORP. OF DE, ALLENTOWN, PENNSYLVANIA, 18105
Covered Property (1)
Air Dried Cellulose Acetate Membranes
Patent: 4,855,048 →
Application: 07/150,265 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 1, 1994
From: AIR PRODUCTS AND CHEMICALS, INC.
To: HOECHST CELANESE CORPORATION
Reel/Frame 007089/0383 →
Assignment of Assignor's Interest Nov 14, 1994
From: HOECHST CELANESE CORPORATION
To: UOP
Reel/Frame 007203/0455 →