IP Library › Assignment 004397/0330
Patent Assignment
Reel/Frame 004397/0330

Assignment of Assignors Interest.

Recorded: 1985-05-06 Pages: 1
Assignors
FRUCHEY, OLAN S.
Executed: 1983-01-12
ALDER, JAMES S.
Executed: 1983-01-12
Assignee
CELANESE CORPORATION, A CORP OF DE
1211 AVENUE OF THE AMERICAS,, NEW YORK,, NEW YORK, 10036
Covered Property (1)
Hydrolysis of Anhydride in the Production of C-5C-9 Saturated Aliphatic Monocarboxylic Acids
Patent: 4,529,550 →
Application: 06/458,423 →
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 →