Solvent-soluble substances characterized in that water-soluble cellulose ethers are chemically bonded to water-soluble, at least predominately synthetic polymers containing acrylic units

US4330441A · kind A · utility

Assignee

• Wolff Walsrode AG · DE

Inventors

• Branislaw Bohmer · Walsrode, DE
• Lutz Hoppe
• Klaus Szablikowski · Walsrode, DE
• Dieter Kudora · Walsrode, DE
• Rudolf Behn · Walsrode, DE

Key dates

• Filing date: Dec 26, 1979
• Grant date: May 18, 1982
• Expiry date: Dec 26, 1999

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B24/38
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Water soluble macromolecular substances obtained by reacting cellulose derivatives, a crosslinking agent and a synthetic resin, preferably an acrylic homo- or copolymer.