IP Library › Assignment 004300/0541
Patent Assignment
Reel/Frame 004300/0541

Assignment of Assignors Interest.

Recorded: 1984-09-17 Pages: 1
Assignors
FRUCHEY, OLAN S.
Executed: 1983-02-07
DE LA GARZA, EDWARD M.
Executed: 1983-02-07
Assignee
CELANESE CORPORATION A CORP. OF DE
1211 AVENUE OF THE AMERICAS, NEW YORK,, NEW YORK, 10036
Covered Property (1)
Copper and Manganese Oxidation Catalysts Recovery from Aqueous Solutions
Patent: 4,485,047 →
Application: 06/466,448 →
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 →