IP Library Assignment 075434/0703
Patent Assignment
Reel/Frame 075434/0703

Nunc Pro Tunc Assignment

Recorded: 2026-04-21 Pages: 103
Assignor
THE DOW CHEMICAL COMPANY
Executed: 2020-04-12
Assignee
DDP SPECIALTY ELECTRONIC MATERIALS US, INC
974 CENTRE ROAD, WILMINGTON, DELAWARE, 19808
Covered Property (1)
Acrylate Polyurethane Chemical Mechanical Polishing Layer
Patent: 8,512,427 →
Application: 13/248,123 →
Publication: US US20130084702A1
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 →
Change of Legal Entity Apr 21, 2026
From: DDP SPECIALTY ELECTRONIC MATERIALS US, INC
To: DDP SPECIALTY ELECTRONIC MATERIALS US, LLC
Reel/Frame 075434/0819 →