IP Library Assignment 023635/0335
Patent Assignment
Reel/Frame 023635/0335

Assignment of Assignor's Interest

Recorded: 2009-12-10 Pages: 2
Assignor
SAGA, YUJI
Executed: 2008-07-10
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19809
Covered Property (1)
Thermoplastic Resin Composition Having Electromagnetic Interference Shielding Properties
Patent: 7,999,018 →
Application: 12/148,873 →
Publication: US 2008/0269378
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 26, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT POLYMERS, INC.
Reel/Frame 049590/0650 →
Change of Name Feb 11, 2026
From: DUPONT POLYMERS, INC.
To: CELANESE POLYMERS HOLDING, INC.
Reel/Frame 074734/0498 →