Copolymers based on maleic acid derivatives and vinyl monomers, their production and application

US5369198A · kind A · utility

Assignees

• Chemie Linz Gesellschaft m.b.H. · AT
• Holderchem Holding AG · CH

Inventors

• Gerhard Albrecht · Prien am Chiemsee, DE
• Hubert Leitner · Traunwalchen, DE
• Rudolf Lindenberger · Steyr, AT
• Richard Siedl · Ansfelden, AT
• Christian Werenka · Ansfelden, AT
• Willi Suter · Stilli, CH

Key dates

• Filing date: Feb 1, 1994
• Grant date: Nov 29, 1994
• Expiry date: Feb 1, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2103/52
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Copolymers which are composed essentially of the structural elements ##STR1## and, if necessary, ##STR2## The copolymers can be employed as dispersing agents for inorganic or organic substances, especially as a plasticiser for hydraulic binders.