IP Library Assignment 034967/0222
Patent Assignment
Reel/Frame 034967/0222

Assignment of Assignor's Interest

Recorded: 2015-02-16 Pages: 2
Assignor
CHOU, RICHARD T.
Executed: 2015-02-03
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, WILMINGTON, DELAWARE, 19898
Covered Property (1)
Selectively Permeable Ethylene Copolymer Compositions
Application: 14/575,097 →
Publication: US 2016/0303837
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 22, 2019
From: E.I. DU PONT DE NEMOURS AND COMPANY
To: PERFORMANCE MATERIALS NA, INC.
Reel/Frame 050149/0728 →