Patent Assignment
Reel/Frame 023206/0206
Assignment of Assignor's Interest
Recorded: 2009-09-09
Pages: 6
Assignors
ZHANG, YONG
Executed: 2009-08-19
HUANG, DAVID
Executed: 2009-08-19
SUN, LU
Executed: 2009-08-19
Assignee
PRAXAIR S. T. TECHNOLOGY, INC.
441 SACKETT POINT ROAD, NORTH HAVEN, CONNECTICUT, 06473
Covered Property
(1)
Polyurethane Composition for Cmp Pads and Method of Manufacturing Same
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 18, 2014
From: PRAXAIR S. T. TECHNOLOGY, INC.
To: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.
Reel/Frame 033340/0155 →
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 →