Patent Assignment
Reel/Frame 075434/0819
Change of Legal Entity
Recorded: 2026-04-21
Pages: 4
Assignor
DDP SPECIALTY ELECTRONIC MATERIALS US, INC
Executed: 2020-11-01
Assignee
DDP SPECIALTY ELECTRONIC MATERIALS US, LLC
974 CENTRE ROAD, WILMINGTON, DELAWARE, 19805
Covered Property
(1)
Acrylate Polyurethane Chemical Mechanical Polishing Layer
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 30, 2012
From: JAMES, DAVID B; DUONG, CHAU H; XIE, JIA
To: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.; THE DOW CHEMICAL COMPANY
Reel/Frame 027614/0930 →
Change of Name
Jun 27, 2025
From: ROHM & HAAS ELECTRONIC MATERIALS CMP HOLDINGS INC.
To: DUPONT ELECTRONIC MATERIALS HOLDING, INC.
Reel/Frame 071765/0928 →
Security Interest
Nov 3, 2025
From: QNITY ELECTRONICS, INC.
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 073515/0243 →
Security Interest
Nov 3, 2025
From: QNITY ELECTRONICS, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 073517/0298 →
Nunc Pro Tunc Assignment
Apr 21, 2026
From: THE DOW CHEMICAL COMPANY
To: DDP SPECIALTY ELECTRONIC MATERIALS US, INC
Reel/Frame 075434/0703 →