IP Library Assignment 003851/0901
Patent Assignment
Reel/Frame 003851/0901

Assignment of Assignors Interest.

Recorded: 1981-05-08 Pages: 2
Covered Property (1)
High Effeciency Extraction Method for Recovering Oxidation Catalyst Material from Dimethyl Terephthalate Esterified Oxidate Residue and the Like
Patent: 4,609,634 →
Application: 06/227,012 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Sep 27, 1999
From: HOECHST CELANESE CORPORATION
To: ARTEVA NORTH AMERICA S.A.R.L.
Reel/Frame 010121/0798 →