Polymer

US11382854B2 · kind B2 · utility

Assignees

• BASF SE
• BASF Interservicios S.A. de C.V. · MX
• BASF ESPANOLA S.L. · ES
• BASF PLC · GB

Inventors

• Peter Hoessel · Schifferstadt, DE
• Christian Schade · Ludwigshafen, DE
• Cristina Amela · Barcelona, ES
• Bianca Seelig · Cologne, DE
• Andrea Tomlinson · Cheadle, GB
• Volker Wendel · Seeheim-Jugenheim, DE
• Rolf Werner · Ludwigshafen, DE
• Luis Angel Ibarra · Tlalnepantla, MX

Key dates

• Filing date: Jan 31, 2018
• Grant date: Jul 12, 2022
• Expiry date: Jan 31, 2038

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/5424
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A polymer having the following monomers in polymerized form (in weight %): A) 49-60% of a first monomer which is selected from the group consisting of methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, C3-alkyl acrylate, C3-alkyl methacrylate, C4-alkyl acrylate, C4-alkyl methacrylate and mixtures thereof, B) 30-40% methacrylic acid, C) 4-15% acrylic acid, and D) 0.02-0.30% of a crosslinking agent having at least two allyl moieties, wherein the sum of the amounts of monomers A to D is 100%. A hair styling composition containing the polymer and use of the polymer or of the hair styling composition for styling hair also are disclosed.