IP Library › Assignment 004389/0033
Patent Assignment
Reel/Frame 004389/0033

Assignment of Assignors Interest.

Recorded: 1985-04-22 Pages: 2
Assignor
CASTNER, KENNETH F.
Executed: 1982-05-11
Assignee
Covered Property (1)
N,N-Dimethylacrylamide Copolymer Injection Water Viscosifier for Enhanced Oil Recovery
Patent: 4,526,947 →
Application: 06/378,154 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Patents Pledge Agreement Feb 26, 2002
From: GOODYEAR CHEMICALS EUROPE
To: ING BANK N.V.
Reel/Frame 012631/0788 →
Assignment of Assignor's Interest Mar 18, 2003
From: GOODYEAR TIRE & RUBBER COMPANY, THE
To: ELIOKEM
Reel/Frame 013828/0396 →