IP Library › Assignment 025350/0107
Patent Assignment
Reel/Frame 025350/0107

Assignment of Assignor's Interest

Recorded: 2010-11-12 Pages: 4
Assignors
CHEN, JOHN CHU
Executed: 2010-05-20
VISIOLI, DONNA LYNN
Executed: 2010-05-21
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19809
Covered Property (1)
Method for Preparing a Selectively Permeable Protective Structure
Patent: 8,420,176 →
Application: 12/762,818 →
Publication: US 2010/0272914
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 →