MUMBAI, India, Oct. 11 -- Intellectual Property India has published a patent application (202517092268 A) filed by Rohm And Haas Company; and Union Carbide Corporation, Collegeville, U.S.A., on Sept. 25, for 'hair styling polymers comprising vinvyl alkanoate monomers and carboxylic acid or carboxylic anhydride functionalised vinyl ester monomers.'
Inventor(s) include Zeng, Fanwen; Shulman, Inna; Joshi, Kinjalbahen; Carter, Matthew; and Yin, Ligeng.
The application for the patent was published on Oct. 10, under issue no. 41/2025.
According to the abstract released by the Intellectual Property India: "A hair styling polymer is provided, comprising: 70-95wt%, based on dry polymer, vinyl alkanoate monomer having 4-13 carbons; 5-30wt%, based on dry polymer, of carboxylic acid/carboxylic anhydride functionalized vinyl ester monomer having 4-12 carbons; 0-5wt%, based on dry polymer, of multiethylenically unsaturated crosslinker; 0-20wt%, based on dry polymer, of an other monoethylenically unsaturated monomer, wherein the other monoethylenically unsaturated monomer is different from the vinyl alkanoate monomer having 4 to 13 carbon atoms and the carboxylic acid/carboxylic anhydride functionalized vinyl ester monomer having 4 to 12 carbon atoms; wherein the hair styling polymer comprises 15wt%, based on dry polymer, of monoethylenically unsaturated C4-6 dicarboxylic acid monomer; and wherein the hair styling polymer comprises at least two different vinyl alkanoate monomers having 4-13 carbons."
The patent application was internationally filed on Mar. 18, 2024, under International application No.PCT/US2024/020367.
Disclaimer: Curated by HT Syndication.
