Composition for water treatment containing polyaspartic acidora derivative thereof and a polcarboxylic acid and methods of using the composition

US5525257A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Roland Kleinstuck · Bensberg, DE
• Hermann Sicius · Düsseldorf, DE
• Torsten Groth · Reinbek, DE
• Winfreid Joentgen · Neunburg vorm Wald, DE

Key dates

• Filing date: Oct 7, 1994
• Grant date: Jun 11, 1996
• Expiry date: Oct 7, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K8/54
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

An improved composition for water treatment and for alkaline cleaning contains polyaspartic acid or a derivative thereof and a polycarboxylic acid.