Patent Assignment
Reel/Frame 041292/0850
Assignment of Assignor's Interest
Recorded: 2017-02-20
Pages: 3
Assignor
PARK, JONG KEUN
Executed: 2015-08-31
Assignee
ROHM AND HAAS ELECTRONIC MATERIALS LLC
455 FOREST STREET, MARLBOROUGH, MASSACHUSETTS, 01752
Covered Property
(1)
Contact Hole Formation Methods
Patent:
9,455,177 →
Application:
14/840,941 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 20, 2017
From: HUSTAD, PHILLIP D
To: DOW GLOBAL TECHNOLOGIES LLC
Reel/Frame 041292/0827 →
Assignment of Assignor's Interest
Sep 17, 2024
From: DOW GLOBAL TECHNOLOGIES LLC
To: THE DOW CHEMICAL COMPANY
Reel/Frame 068971/0226 →
Assignment of Assignor's Interest
Sep 17, 2024
From: THE DOW CHEMICAL COMPANY
To: DDP SPECIALTY ELECTRONIC MATERIALS US, INC
Reel/Frame 068971/0362 →
Change of Legal Entity
Sep 17, 2024
From: DDP SPECIALTY ELECTRONIC MATERIALS US, INC
To: DDP SPECIALTY ELECTRONIC MATERIALS US, LLC
Reel/Frame 068972/0210 →
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 →