Patent Assignment
Reel/Frame 018914/0513
Assignment of Assignor's Interest
Recorded: 2007-02-21
Pages: 2
Assignor
PUTZIG, DONALD EDWARD
Executed: 2006-12-20
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19898
Covered Property
(1)
Stable Solutions of Zirconium Hydroxyalkylethylene Diamine Complex and Use in Oil Field Applications
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.