IP Library › Assignment 017430/0471
Patent Assignment
Reel/Frame 017430/0471

Assignment of Assignor's Interest

Recorded: 2006-04-06 Pages: 2
Assignor
CHEN, JOHN CHU
Executed: 2005-07-19
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19898
Covered Property (1)
Film Structures Having Improved Oxygen Transmission
Patent: 7,422,796 →
Application: 11/184,143 →
Publication: US 2007/0020466
Related Assignments (3)
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 050237/0001 →
Assignment of Assignor's Interest Oct 14, 2021
From: PERFORMANCE MATERIALS NA, INC.
To: THE DOW CHEMICAL COMPANY
Reel/Frame 057813/0792 →
Assignment of Assignor's Interest Oct 14, 2021
From: THE DOW CHEMICAL COMPANY
To: DOW GLOBAL TECHNOLOGIES LLC
Reel/Frame 057813/0928 →