Patent Assignment
Reel/Frame 020407/0440
Assignment of Assignor's Interest
Recorded: 2008-01-24
Pages: 2
Assignor
PUTZIG, DONALD EDWARD
Executed: 2007-11-20
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19898
Covered Property
(1)
Solid Zirconium-Based Cross-Linking Agent and Use in Oil Field Applications
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.