IP Library › Assignment 003923/0498
Patent Assignment
Reel/Frame 003923/0498

Assignment of Assignors Interest.

Recorded: 1981-11-05 Pages: 1
Assignors
WITT, ENRIQUE R.
Executed: 1976-10-26
HUMPHREY, WILLIAM J.
Executed: 1976-10-26
CAVE, JAMES P.
Executed: 1976-10-26
Assignee
CELANESE CORPORATION
1211 AVENUE OF THE AMERICAS, A CORP. OF DE, NEW YORK, NEW YORK, 10036
Covered Property (1)
Anaerobic Treatment
Patent: 4,315,823 →
Application: 06/150,829 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 27, 1998
From: HOECHST CELANESE CORPORATION
To: CELANESE INTERNATIONAL CORPORATION
Reel/Frame 009052/0337 →