IP Library › Granted Patent US 12,717,231
Granted Patent B2
US 12,717,231 · App. 17/710,126 · Granted Aug 25, 2026

Photoactive compounds, photoresist compositions including the same, and pattern formation methods

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Quick Facts
Patent No.
US 12,717,231
App. No.
17/710,126
Filed
Mar 31, 2022
Granted
Aug 25, 2026
Kind
B2
Art Unit
1737
USPC
430/270.1
Assignments (4)
SECURITY INTEREST Recorded Nov 3, 2025
From: QNITY ELECTRONICS, INC.
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 073515/0243 →
SECURITY INTEREST Recorded Nov 3, 2025
From: QNITY ELECTRONICS, INC.
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, AS NOTES COLLATERAL AGENT
Reel/Frame 073517/0298 →
CHANGE OF NAME Recorded Oct 29, 2024
From: ROHM & HAAS ELECTRONIC MATERIALS LLC
To: DUPONT ELECTRONIC MATERIALS INTERNATIONAL, LLC
Reel/Frame 069272/0383 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 24, 2022
From: AQAD, EMAD; PARK, JONG KEUN; CEN, YINJIE; LEE, CHOONG-BONG
To: ROHM AND HAAS ELECTRONIC MATERIALS LLC
Reel/Frame 059997/0441 →
Continuity (1)
Related Publication 20230314934A1 · Oct 5, 2023
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