IP Library Assignment 012572/0685
Patent Assignment
Reel/Frame 012572/0685

Assignment of Assignor's Interest

Recorded: 2002-02-01 Pages: 4
Assignors
VIRNIG, MICHAEL J.
Executed: 2001-10-01
FISHER, G. TIMOTHY
Executed: 2001-12-18
Assignee
COGNIS CORPORATION
SUITE 200, 2500 RENAISSANCE BOULEVARD, GULPH MILLS, PENNSYLVANIA, 19406
Covered Property (1)
Solvent Extraction Processes for Metal Recovery
Patent: 6,599,414 →
Application: 09/924,000 →
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Patent and Trademark Transfer Agreement Mar 4, 2010
From: COGNIS CORPORATION
To: COGNIS IP MANAGEMENT GMBH
Reel/Frame 024023/0366 →