IP Library Assignment 017427/0015
Patent Assignment
Reel/Frame 017427/0015

Assignment of Assignor's Interest

Recorded: 2006-04-05 Pages: 2
Assignor
PUTZIG, DONALD EDWARD
Executed: 2006-02-13
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19898
Covered Property (1)
Permeable Zone and Leak Plugging Using Cross-Linking Composition Comprising Zirconium Triethanolamine Complex
Patent: 7,795,187 →
Application: 11/353,771 →
Publication: US 2007/0191236
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 →