Use of polyaspartic acids in cleaner formulations with abrasive action

US6245157A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Manfred Gerlach
• Bernhard Lehmann · Appenweier, DE
• Hartwig Wendt · Neunburg vorm Wald, DE
• Herbert Emde · Cologne, DE
• Urban Recht · Neunburg vorm Wald, DE

Key dates

• Filing date: Sep 14, 1999
• Grant date: Jun 12, 2001
• Expiry date: Sep 14, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D7/12
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to cleaning compositions which, as powder or as aqueous formulation, comprise sodium bicarbonate and, as dispersants, polyaspartic acids and/or salts thereof, to the use of these cleaning compositions for the abrasive cleaning of hard surfaces, and also to a method of cleaning surfaces contaminated with deposits using these cleaning compositions.