Process for preparing copolymers of acrylic acid or methacrylic acid and acrylic and methacrylic acid esters

US4085264A · kind A · utility

Assignee

• BASF SE

Inventors

• Karl Seib · Weinheim, DE
• Wolfgang Schwarz · Ludwigshafen, DE
• Hermann Gausepohl · Mutterstadt, DE

Key dates

• Filing date: Apr 4, 1977
• Grant date: Apr 18, 1978
• Expiry date: Apr 4, 1997

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S526/936
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A process for the manufacture of copolymers by copolymerizing acrylic acid or methacrylic acid with esters of acrylic acid and methacrylic acid in the presence of polymerization initiators, in which methyl methacrylate, acrylic acid and/or methacrylic acid and a higher alkyl acrylate are copolymerized.