Patent Assignment
Reel/Frame 027106/0273
Assignment of Assignor's Interest
Recorded: 2011-10-24
Pages: 2
Assignor
RENKEN, ANDREAS
Executed: 2009-01-12
Assignee
E. I. DU PONT DE NEMOURS AND COMPANY
4417 LANCASTER PIKE, BARLEY MILL PLAZA 25, WILMINGTON, DELAWARE, 19809
Covered Property
(1)
Process for Making Thermally Resistant Mineral-Filled Polyacetal
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 →