IP Library Assignment 015422/0243
Patent Assignment
Reel/Frame 015422/0243

Assignment of Assignor's Interest

Recorded: 2004-12-07 Pages: 2
Assignors
FISH, JR., ROBERT B.
Executed: 2004-10-19
MESTEMACHER, STEVEN A.
Executed: 2004-10-19
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
1007 MARKET STREET, LEGAL-PATENTS, WILMINGTON, DELAWARE, 19898
Covered Property (1)
Process for Efficiently Producing Highly Plasticized Polyamide Blends
Patent: 7,297,737 →
Application: 10/915,624 →
Publication: US 2005/0038146
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 →