Zinc salt of a hydrolyzed tricarboxylic acid from ene-adducts of maleic anhydride to undecylenic acid

US4454153A · kind A · utility

Assignee

• Grillo-Werke AG · DE

Inventors

• Norbert Lowicki · Duisburg, DE
• Natvarlal B. Desai · Dinslaken, DE

Key dates

• Filing date: Jul 21, 1982
• Grant date: Jun 12, 1984
• Expiry date: Jul 21, 2002

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S424/04
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The zinc salt of the hydrolyzed tricarboxylic acid from Diels-Alder adducts or ene-adducts of maleic anhydride to undecylenic acid, preferably in a molar ratio of from 0.8 to 1.2, are described as skin-compatible bactericides and fungicides. They are preferably used in cosmetic preparations. They are more active and less toxic than the substances previously known and used for said purposes.