Graft polymers containing silicon

US4276389A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wolfgang Wieder · Lillebonne, FR
• Josef Witte · Cologne, DE
• Hans-Heinrich Moretto · Cologne, DE
• Helmut Steinberger · Leverkusen, DE

Key dates

• Filing date: Dec 19, 1979
• Grant date: Jun 30, 1981
• Expiry date: Dec 19, 1999

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G77/442
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Graft polymers having improved low temperature characteristics of optionally partially or completely saponified vinyl ester homopolymers or copolymers as graft substrates and grafted siloxane units.