Patent Assignment
Reel/Frame 033340/0155
Assignment of Assignor's Interest
Recorded: 2014-07-18
Pages: 7
Assignor
PRAXAIR S. T. TECHNOLOGY, INC.
Executed: 2013-07-01
Assignee
ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.
451 BELLEVUE ROAD, NEWARK, DELAWARE, 19713
Covered Properties
(8)
Polishing Silicon Wafers
Foam Semiconductor Polishing Belts and Pads
Patent:
6,514,301 →
Application:
09/317,973 →
Belts for Polishing Semiconductors
Patent:
6,213,858 →
Application:
09/427,108 →
Froth and Method of Producing Froth
Subpad Having Robust, Sealed Edges
Controlled penetration subpad
Polishing Silicon Wafers
Polyurethane Composition for Cmp Pads and Method of Manufacturing Same
Related Assignments
(3)
Other recorded transfers of the patents 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 →