INTERNATIONAL PATENT: SONGWON INDUSTRIAL CO., LTD., 송원산업 주식회사 FILES APPLICATION FOR "POLYHYDROXYSTYRENE, METHOD FOR PREPARING SAME POLYHYDROXYSTYRENE AND PHOTORESIST COMPOSITION COMPRISING SAME"

GENEVA, Oct. 28 -- SONGWON INDUSTRIAL CO., LTD. (83 Jangsaengpo-roNam-guUlsan 44781), 송원산업 주식회사 (울산광역시남구장생포로 83) filed a patent application (PCT/KR2025/099445) for "POLYHYDROXYSTYRENE, METHOD FOR PREPARING SAME POLYHYDROXYSTYRENE, AND PHOTORESIST COMPOSITION COMPRISING SAME" on Feb 19, 2025. With publication no. WO/2025/221125, the details related to the patent application was published on Oct 23, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): PARK, Dong Kyung...