IP Library Assignment 064636/0121
Patent Assignment
Reel/Frame 064636/0121

Assignment of Assignor's Interest

Recorded: 2023-08-18 Pages: 3
Assignors
FAN, XIYUN SERENE
Executed: 2011-11-29
RATNAGIRI, RAMABHADRA
Executed: 2011-11-28
Assignee
E.I. DU PONT DE NEMOURS AND COMPANY
974 CENTRE ROAD, WILMINGTON, DELAWARE, 19805
Covered Property (1)
Polyoxymethylene Modified with Imidized Acrylic Resins
Patent: 8,445,089 →
Application: 13/306,757 →
Publication: US 2013/0136881
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Jun 25, 2019
From: E. I. DU PONT DE NEMOURS AND COMPANY
To: DUPONT POLYMERS, INC.
Reel/Frame 049587/0098 →
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 →