Patent Assignment
Reel/Frame 073646/0043
Assignment of Assignor's Interest
Recorded: 2026-01-30
Pages: 4
Assignor
DUPONT SPECIALTY PRODUCTS USA, LLC
Executed: 2023-10-19
Assignee
DELRIN USA, LLC
BUILDING 308, EXPERIMENTAL STATION, 200 POWDER MILL RD, WILMINGTON, DELAWARE, 19803
Covered Property
(1)
Polyoxymethylene Compositions
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 20, 2017
From: RATNAGIRI, RAMABHADRA
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 044178/0333 →
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 →
Change of Address
Sep 6, 2024
From: DUPONT POLYMERS, INC.
To: DUPONT POLYMERS, INC.
Reel/Frame 068859/0287 →
Nunc Pro Tunc Assignment
Sep 6, 2024
From: DUPONT POLYMERS, INC.
To: DUPONT POLYMERS, INC.
Reel/Frame 068512/0400 →
Nunc Pro Tunc Assignment
Nov 6, 2025
From: DUPONT POLYMERS, INC.
To: DUPONT SPECIALTY PRODUCTS USA, LLC
Reel/Frame 072805/0695 →
Assignment of Assignor's Interest
Dec 29, 2025
From: DUPONT POLYMERS, INC.
To: DELRIN USA, LLC
Reel/Frame 073323/0244 →