IP Library Assignment 004514/0950
Patent Assignment
Reel/Frame 004514/0950

Assignment of Assignors Interest.

Recorded: 1986-01-24 Pages: 2
Assignor
SANSONE, MICHAEL J.
Executed: 1986-01-22
Assignee
CELANESE CORPORATION, A CORP. OF DE
1211 AVENUE OF THE AMERICAS, NEW YORK, NEW YORK, 10036
Covered Property (1)
Crosslinking of Polybenzimidazole Polymer with Divinyl Sulfone
Patent: 4,666,996 →
Application: 06/822,088 →
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 →