Patent Assignment
Reel/Frame 071765/0928
Change of Name
Recorded: 2025-06-27
Pages: 4
Assignor
ROHM & HAAS ELECTRONIC MATERIALS CMP HOLDINGS INC.
Executed: 2024-04-01
Assignee
DUPONT ELECTRONIC MATERIALS HOLDING, INC.
451 BELLEVUE ROAD, NEWARK, DELAWARE, 19713
Covered Properties
(11)
Acrylate Polyurethane Chemical Mechanical Polishing Layer
Method for Chemical Mechanical Polishing Silicon Wafers
Patent:
8,980,749 →
Application:
14/062,060 →
Method of Making Composite Polishing Layer for Chemical Mechanical Polishing Pad
Method of Making Composite Polishing Layer for Chemical Mechanical Polishing Pad
High Removal Rate Chemical Mechanical Polishing Pads and Methods of Making
Chemical Mechanical Polishing Pads for Improved Removal Rate and Planarization
Aliphatic Polyurethane Optical Endpoint Detection Windows and Cmp Polishing Pads Containing Them
Chemical Mechanical Polishing Pad
Chemical Mechanical Polishing Pad
Chemical Mechanical Polishing Pad
Chemical Mechanical Polishing Pads for Improved Removal Rate and Planarization
Application:
18/322,005 →
Publication:
US 2023/0294240
Related Assignments
(17)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 3, 2015
From: QIAN, BAINIAN; JAMES, DAVID B; MURNANE, JAMES; YEH, FENGJI
To: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.; NITTA HAAS INCORPORATED
Reel/Frame 034871/0884 →
Assignment of Assignor's Interest
Oct 7, 2015
From: QIAN, BAINIAN; BRUGAROLAS BRUFAU, TERESA; KOZHUKH, JULIA; VENEZIALE, DAVID MICHAEL
To: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.; DOW GLOBAL TECHNOLOGIES LLC
Reel/Frame 036750/0190 →
Assignment of Assignor's Interest
May 16, 2017
From: WILLUMSTAD, THOMAS P.; XIE, RUI; JACOB, GEORGE C.; DEGROOT, MARTY W.
To: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.; DOW GLOBAL TECHNOLOGIES LLC; NITTA HAAS INCORPORATED
Reel/Frame 042392/0570 →
Assignment of Assignor's Interest
Jul 5, 2017
From: WEIS, JONATHAN G.; CHIOU, NAN-RONG; QIAN, BAINIAN; JACOB, GEORGE C.
To: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.; DOW GLOBAL TECHNOLOGIES LLC
Reel/Frame 042911/0638 →
Assignment of Assignor's Interest
Mar 2, 2018
From: CHIOU, NAN-RONG; ISLAM, MOHAMMAD T.; JACOB, GEORGE C.
To: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.
Reel/Frame 045489/0716 →
Assignment of Assignor's Interest
Jun 20, 2018
From: QIAN, BAINIAN; BRUGAROLAS BRUFAU, TERESA; KOZHUKH, JULIA; VENEZIALE, DAVID MICHAEL
To: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.; DOW GLOBAL TECHNOLOGIES LLC
Reel/Frame 046148/0370 →
Assignment of Assignor's Interest
Dec 1, 2018
From: QIAN, BAINIAN; YEH, FENGJI; WANG, TE-CHUN; TSENG, SHENG-HUAN
To: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.; DOW GLOBAL TECHNOLGIES LLC
Reel/Frame 047647/0584 →
Assignment of Assignor's Interest
Apr 9, 2019
From: BRUGAROLAS BRUFAU, TERESA
To: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.
Reel/Frame 048835/0274 →
Assignment of Assignor's Interest
Jul 12, 2019
From: QIAN, BAINIAN; DEGROOT, MARTY W.
To: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.; DOW GLOBAL TECHNOLGIES LLC
Reel/Frame 049734/0812 →
Assignment of Assignor's Interest
May 24, 2022
From: DEGROOT, MARTY W.
To: DOW GLOBAL TECHNOLOGIES LLC
Reel/Frame 059993/0899 →
Assignment of Assignor's Interest
May 24, 2022
From: QIAN, BAINIAN
To: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.
Reel/Frame 059993/0886 →
Assignment of Assignor's Interest
Jun 14, 2023
From: WEIS, JONATHAN G.; CHIOU, NAN-RONG; QIAN, BAINIAN
To: ROHM AND HAAS ELECTRONIC MATERIALS CMP HOLDINGS, INC.
Reel/Frame 063945/0735 →
Assignment of Assignor's Interest
Jun 14, 2023
From: JACOB, GEORGE C.
To: DOW GLOBAL TECHNOLOGIES LLC
Reel/Frame 063945/0806 →
Change of Name
Sep 10, 2024
From: NITTA HAAS INC.
To: NITTA DUPONT INC.
Reel/Frame 068538/0982 →
Change of Name
Jun 27, 2025
From: NITTA HAAS INC.
To: NITTA DUPONT INCORPORATED
Reel/Frame 071542/0892 →
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 →