IP Library Assignment 025489/0038
Patent Assignment
Reel/Frame 025489/0038

Assignment of Assignor's Interest

Recorded: 2010-12-09 Pages: 2
Assignors
CHEN, XUDONG
Executed: 2010-12-06
HOLSTEIN, WILLIAM L.
Executed: 2010-12-06
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19809
Covered Property (1)
Multifunctional Sulfone/Fluorinated Ester Solvents
Patent: 8,092,942 →
Application: 12/961,587 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Apr 21, 2017
From: E.I. DU PONT DE NEMOURS AND COMPANY
To: SOLVAY SA
Reel/Frame 042088/0537 →
Assignment of Assignor's Interest Feb 1, 2024
From: SOLVAY SA
To: SYENSQO SA
Reel/Frame 066406/0174 →