Patent Assignment
Reel/Frame 021937/0936
Assignment of Assignor's Interest
Recorded: 2008-12-08
Pages: 4
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, DUPONT LEGAL, WILMINGTON, DELAWARE, 19805
Covered Property
(1)
Polyacetal Compositions with Improved Tribological Properties
Related Assignments
(3)
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 →
Security Interest
Nov 2, 2023
From: DELRIN USA, LLC
To: GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT
Reel/Frame 065441/0937 →
Assignment of Assignor's Interest
Dec 29, 2025
From: DUPONT POLYMERS, INC.
To: DELRIN USA, LLC
Reel/Frame 073323/0244 →