IP Library Assignment 003938/0500
Patent Assignment
Reel/Frame 003938/0500

Assignment of Assignors Interest.

Recorded: 1981-12-23 Pages: 1
Assignors
DAVITT, ROBERT
Executed: 1981-04-21
CALUNDANN, GORDON W.
Executed: 1981-04-21
CHENEVEY, EDWARD C.
Executed: 1981-04-21
Assignee
CELANESE CORPORATION, A CORP. OF DE.
1211 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property (1)
Stable Non-Corrosive Solution of Polybenzimidazole Suitable for Use in the Formation of Shaped Articles
Patent: 4,321,182 →
Application: 06/260,652 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 24, 1998
From: HOECHST CELANESE CORPORATION
To: HOECHST AKTIENGESELLSCHAFT
Reel/Frame 009534/0147 →