IP Library Assignment 020822/0894
Patent Assignment
Reel/Frame 020822/0894

Assignment of Assignor's Interest

Recorded: 2008-04-18 Pages: 2
Assignor
PUTZIG, DONALD EDWARD
Executed: 2008-03-13
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19805
Covered Property (1)
Zirconium-Based Cross-Linking Composition for Use with High Ph Polymer Solutions
Patent: 8,153,564 →
Application: 12/074,953 →
Publication: US 2009/0227479
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jan 26, 2011
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DORF KETAL SPECIALITY CATALYSTS, LLC
Reel/Frame 025702/0290 →