Stable granules for detergents, cleaning agents and disinfectants

US5419846A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Frank Jaekel · Ludwigshafen, DE
• Gerd Reinhardt · Kelkheim, DE
• Gerhard Noltner · Frankfurt am Main, DE
• Eric Jacquinot · Compiègne, FR
• Rüdiger Funk · Niedernhausen, DE
• Manfred Muller · Berlin, DE

Key dates

• Filing date: Aug 18, 1993
• Grant date: May 30, 1995
• Expiry date: Aug 18, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D17/0039
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to stable granules comprising active substance, granulating auxiliary, enveloping substance and if appropriate additional components, wherein the enveloping substance in each case comprises PA1 a) silicon dioxide particles or PA1 b) homopolymers of unsaturated sulfonic acids or PA1 c) copolymers of unsaturated sulfonic acids and unsaturated carboxylic acids or PA1 d) homopolymers of (meth)acrylic acid esters or PA1 e) copolymers of (meth)acrylic acid esters and unsaturated carboxylic acids or PA1 f) mixtures of one or more of these constituents.