MUMBAI, India, Nov. 7 -- Intellectual Property India has published a patent application (202537102212 A) filed by Tokuyama Corporation, Yamaguchi, Japan, on Oct. 23, for 'adhesive composition, cured body, laminate, optical article, lens, and spectacles.'
Inventor(s) include Goto Kenta; Shimizu Yasutomo; Hiraren Toshimitsu; Kawashima Takahiro; and Morimoto Miki.
The application for the patent was published on Nov. 7, under issue no. 45/2025.
According to the abstract released by the Intellectual Property India: "The purpose of the present disclosure is to provide an adhesive composition enabling the formation of an adhesive layer having excellent functionality, a cured body thereof, a laminate, an optical article, a lens, and spectacles. One embodiment of the present invention provides an adhesive composition. The adhesive composition contains a polyurethane urea resin and an organic solvent. The polyurethane urea resin has a urea bond, a urethane bond, and a structure represented by formula (I). In formula (I), R1 and R2 are each independently a linear alkylene group having 3 or more and 10 or less carbon atoms. l is 0 or 1 or more and 25 or less. n and m are each independently 2 or more and 70 or less."
The patent application was internationally filed on Apr. 10, 2024, under International application No.PCT/JP2024/014532.
Disclaimer: Curated by HT Syndication.
