Patent Assignment
Reel/Frame 059273/0659
Assignment of Assignor's Interest
Recorded: 2022-03-15
Pages: 2
Assignor
GUO, YI
Executed: 2020-06-01
Assignee
ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.
451 BELLEVUE ROAD, NEWARK, DELAWARE, 19713
Covered Property
(1)
Chemical Mechanical Polishing Composition Containing Composite Silica Particles, Method of Making the Silica Composite Particles and Method of Polishing a Substrate
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Oct 29, 2024
From: ROHM & HAAS ELECTRONIC MATERIALS CMP HOLDINGS INC.
To: DUPONT ELECTRONIC MATERIALS HOLDING, INC.
Reel/Frame 069274/0160 →
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 →