Thickener combinations for building products

US5470383A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Walter Schermann · Mainz, DE
• Dennis Miller · Kelkheim, DE
• Eckhard Hilgenfeldt · Wiesbaden, DE
• Jozef Bohme-Kovac · Dexheim, DE

Key dates

• Filing date: Jun 21, 1994
• Grant date: Nov 28, 1995
• Expiry date: Jun 21, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L1/284
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to thickener combinations for building products of nonionic cellulose ethers soluble in water or aqueous surfactant solutions and selected surfactants or naphthalenesulfonic acid condensation products.