Preservative compositions based on iodopropynl- and formaldehyde donor compounds

US6355679B1 · kind B1 · utility

Assignee

• Air Liquide Santé (International) · FR

Inventors

• Wolfgang Beilfuss · Hamburg, DE
• Wolfgang Siegert · Ellerau, DE
• Klaus Weber · Hamburg, DE

Key dates

• Filing date: Nov 23, 1999
• Grant date: Mar 12, 2002
• Expiry date: Nov 23, 2019

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N47/12
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Compositions having broad effectiveness against bacteria and fungi, which comprise (a) an iodopropynylbutyl compound and (b) one or more formaldehyde donor compounds, the formaldehyde donor compounds being N-formals, O-formals and/or a combination thereof. The compositions are also stable and effective in the form of liquid concentrates. The present invention also relates to the use of such compositions in industrial products and to industrial products which comprise these compositions.