Patent Assignment
Reel/Frame 027614/0930
Assignment of Assignor's Interest
Recorded: 2012-01-30
Pages: 4
Assignors
JAMES, DAVID B
Executed: 2011-09-29
DUONG, CHAU H
Executed: 2011-09-29
XIE, JIA
Executed: 2011-09-29
Assignees
ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.
451 BELLEVUE ROAD, NEWARK, DELAWARE, 19713
THE DOW CHEMICAL COMPANY
2040 DOW CENTER, MIDLAND, MICHIGAN, 48674
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.
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 →
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 →