MUMBAI, India, July 7 -- Intellectual Property India has published a patent application (202647079672 A) filed by Smc Corporation on June 29, 2026, for Fluorescent Inspection Liquid.

Inventors include Kawamura Youichi; Okuhira Hiroyuki; and Yoshida Yasunori.

The application for the patent was published on July 03, 2026, under issue no. 27/2026.

Abstract: The present invention relates to a fluorescent inspection liquid which is highly safe to a human body and emits blue fluorescence having high visibility in the leakage inspection. The fluorescent inspection liquid contains water as a solvent and two blue fluorescent dyes selected from a flavin derivative, quinine, pyrene and anthocyanin. The flavin derivative is a derivative having a fla...