International Patent: METHODS FOR THE SYNTHESIS AND PURIFICATION OF PYROMELLITIC DIANHYDRIDE AND RELATED COMPOSITIONS

GENEVA, June 19 -- ENTEGRIS, INC. filed a patent application (US2025/054678) for “METHODS FOR THE SYNTHESIS AND PURIFICATION OF PYROMELLITIC DIANHYDRIDE AND RELATED COMPOSITIONS”. With publication no. WO/2026/106889, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: C07D 493/04

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

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