Patent Assignment
Reel/Frame 017691/0414
Assignment of Assignor's Interest
Recorded: 2006-05-30
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)
Hydraulic Fracturing Methods Using Cross-Linking Composition Comprising Zirconium Triethanolamine Complex
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.