IP Library Assignment 003998/0439
Patent Assignment
Reel/Frame 003998/0439

Assignment of Assignors Interest.

Recorded: 1982-06-07 Pages: 2
Assignors
PILAT, HOWARD L.
Executed: 1981-06-02
MOORE, JERRY D.
Executed: 1981-06-08
CHOSNEK, JACK
Executed: 1981-06-22
Assignee
CELANESE CORPORATION, A CORP. OF DE.
1211 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property (1)
Ethylene Recovery from Ethyl Acrylate Process
Patent: 4,345,093 →
Application: 06/278,547 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Mar 10, 1989
From: CELANESE CORPORATION, A CORP. OF DE (MERGED INTO)
To: AMERICAN HOECHST CORPORATION, A CORP. OF DE
Reel/Frame 005046/0390 →
Assignment of Assignor's Interest Mar 27, 1998
From: HOECHST CELANESE CORPORATION
To: CELANESE INTERNATIONAL CORPORATION
Reel/Frame 009052/0337 →