Patent Assignment
Reel/Frame 058870/0497
Assignment of Assignor's Interest
Recorded: 2022-01-27
Pages: 103
Assignor
THE DOW CHEMICAL COMPANY
Executed: 2020-04-12
Assignee
DDP SPECIALTY ELECTRONIC MATERIALS US, INC.
974 CENTRE ROAD, WILMINGTON, DELAWARE, 19808
Covered Property
(1)
Copper Electroplating Baths Containing Compounds of Reaction Products of Amines and Polyacrylamides
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 16, 2020
From: LU, WEIJING; DUAN, LINGLI; CHEN, CHEN; RZEZNIK, MARIA
To: ROHM AND HAAS ELECTRONIC MATERIALS LLC
Reel/Frame 052947/0151 →
Assignment of Assignor's Interest
Jun 22, 2020
From: THE DOW CHEMICAL COMPANY
To: DOW GLOBAL TECHNOLOGIES LLC
Reel/Frame 052997/0274 →
Assignment of Assignor's Interest
Nov 5, 2020
From: DUAN, LINGLI; CHEN, CHEN
To: DOW CHEMICAL (CHINA) INVESTMENT COMPANY LIMITED
Reel/Frame 054284/0759 →
Change of Name
Oct 29, 2024
From: ROHM & HAAS ELECTRONIC MATERIALS LLC
To: DUPONT ELECTRONIC MATERIALS INTERNATIONAL, LLC
Reel/Frame 069272/0383 →
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 →