Detergent and tableware cleaner

US6172028A · kind A · utility

Assignee

• BASF SE

Inventors

• Richard Baur · Mutterstadt, DE
• Werner Bertleff · Viernheim, DE
• Birgit Potthoff-Karl · Weinheim, DE
• Beate Ehle · Ludwigshafen, DE
• Matthias Kroner · Eisenberg, DE
• Gunnar Schornick · Neuleiningen, DE

Key dates

• Filing date: Sep 28, 1998
• Grant date: Jan 9, 2001
• Expiry date: Sep 28, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D7/3209
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A mixture comprising PA1 (a) from 0.1 to 99% by weight of at least one polycarboxylate having at least 3 carboxyls, PA1 (b) from 0.1 to 99% by weight of at least one amine having a pK.sub.a value of more than 9, and PA1 (c) from 0.1 to 99% by weight of at least one acid selected from the group consisting of mineral acids and organic acids having one or two carboxyls and not more than 10 carbons, with the proviso that the mixture contains less than 24% by weight of triphosphates, is used in detergent and rinse aid formulations.