IP Library Assignment 021999/0267
Patent Assignment
Reel/Frame 021999/0267

Assignment of Assignor's Interest

Recorded: 2008-12-18 Pages: 2
Assignor
YOU, FENGXIANG
Executed: 2008-12-15
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, DUPONT LEGAL, WILMINGTON, DELAWARE, 19805
Covered Property (1)
High Temperature Aqueous-Based Zirconium Crosslinking Composition and Use
Application: 12/262,665 →
Publication: US 2009/0114390
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 →