Microbicidal composition based on formaldehyde donor compounds and antioxidants

US7781467B2 · kind B2 · utility

Assignee

• Air Liquide Santé (International) · FR

Inventors

• Ralf Gradtke · Tornesch, DE
• Wolfgang Beilfuss · Hamburg, DE
• Klaus Weber · Hamburg, DE
• Wolfgang Siegert · Ellerau, DE

Key dates

• Filing date: Sep 3, 2004
• Grant date: Aug 24, 2010
• Expiry date: Feb 27, 2026

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P31/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A microbicidal composition and its method of use for preserving technical products such as fuels and lubricants. The composition is made up of at least one formaldehyde donor compound and at least one antioxidant. The antioxidant is either a gallic ester, a phenol derivative, a L-ascorbic acid, including salts and derivatives thereof, a tocopherol or one of its associated derivatives.