IP Library Assignment 021414/0331
Patent Assignment
Reel/Frame 021414/0331

Assignment of Assignor's Interest

Recorded: 2008-08-20 Pages: 2
Assignor
YIN, YIGE
Executed: 2008-07-31
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19805
Covered Property (1)
Flame Resistant Semiaromatic Polyamide Resin Composition Including Zinc Stannate, and Articles Therefrom
Patent: 8,541,489 →
Application: 12/217,031 →
Publication: US 2010/0001430
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 →