IP Library Assignment 004478/0902
Patent Assignment
Reel/Frame 004478/0902

Assignment of Assignors Interest.

Recorded: 1985-10-28 Pages: 2
Covered Property (1)
Production of Preceramic and Ceramic Fibers from Friable, Thermally Sensitive Organosilicon Preceramic Polymers
Patent: 4,789,507 →
Application: 06/791,877 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Jun 8, 1987
From: AMERICAN HOECHST CORPORATION (INTO); CELANESE CORPORATION
To: HOECHST CELANESE CORPORATION
Reel/Frame 004754/0097 →