IP Library › Assignment 018512/0434
Patent Assignment
Reel/Frame 018512/0434

Assignment of Assignor's Interest

Recorded: 2006-11-13 Pages: 2
Assignor
CHEN, JOHN CHU
Executed: 2006-08-18
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19898
Covered Property (1)
Selectively Permeable Protective Structure and Articles Therefrom
Patent: 7,514,380 →
Application: 11/506,731 →
Publication: US 2008/0176468
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 26, 2019
From: SAMUELS, SAM LOUIS
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 048443/0120 →
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 →