MUMBAI, India, Nov. 7 -- Intellectual Property India has published a patent application (202537102615 A) filed by Unilever Global Ip Limited, Wirral, U.K., on Oct. 24, for 'compositions.'

Inventor(s) include Blackburn, Anthea Katrina; Crossman, Martin Charles; Kember, Michael Richard; and Winter, Jeremy Nicholas.

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 invention concerns a composition comprising a polycarbonate block polyether of the formula I Z1-(PC)P-(PE)Q-Z2.....(I) wherein PC represents a carbonate block with P repeat units of formula wherein Re1, Re2, Re3, and Re4 are independently selected from H, methyl, ethyl, propyl, butyl, or an ether, ester or carbonate group, with the proviso that when one of Re1, Re2, Re3, and Re4 is methyl, ethyl, propyl, butyl, or an ether, ester or carbonate group, the remaining Re1, Re2, Re3, and Re4 are H.; PE represents a polyether block with Q repeat units of formula wherein Re1', Re2', Re3', and Re4' are independently selected from H, methyl, ethyl, propyl, butyl, or an ether, ester or carbonate groups, with the proviso that when one of Re1, Re2, Re3, and Re4 is methyl, ethyl, propyl, butyl, or an ether, ester or carbonate group, the remaining Re1', Re2', Re3', and Re4' are H; Z1 is R, R-O, R-C(O)-O- or R-O-C(O)-O; R is an optionally substituted straight or branched chain C1-C11 alkyl group; Z2 is H, R, R-(O)C or R-O-(O)C; and wherein the value of P is greater than the value of Q."

The patent application was internationally filed on Apr. 23, 2024, under International application No.PCT/EP2024/061139.

Disclaimer: Curated by HT Syndication.