IP Library › Assignment 020510/0618
Patent Assignment
Reel/Frame 020510/0618

Assignment of Assignor's Interest

Recorded: 2008-02-14 Pages: 2
Assignor
ZHANG, DAVID D.
Executed: 2007-06-18
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19805
Covered Property (1)
Ionomeric Ethylene Vinyl Alcohol Compositions
Patent: 7,834,089 →
Application: 11/800,953 →
Publication: US 2008/0281045
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 →