Mixture of natural or nature-identical alcohols with improved effectiveness

US9883671B2 · kind B2 · utility

Assignee

• L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude · FR

Inventors

• Ralf Gradtke · Tornesch, DE
• Klaus Weber · Hamburg, DE
• Wolfgang Beilfuss · Hamburg, DE
• Stefan SAKULOWSKI · Hamburg, DE

Key dates

• Filing date: Jun 26, 2013
• Grant date: Feb 6, 2018
• Expiry date: Jun 26, 2033

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N31/02
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Disclosed is an antimicrobial composition that includes a) one or more C3 to C5 alkane dioles-1,3, b) one or more aromatic alcohols and c) one or more C8 to C14 alkanols. A preferred component a) is propane diol-1,3. Preferred components b) are phenoxyethanol and phenethyl alcohol. A preferred component c) is undecanol-1. Optionally, an antioxidant c) is present, which is preferably Vitamin E. In a preferred embodiment the composition is a concentrate and is suitable for the antimicrobial finishing of dermatological, cosmetic and pharmaceutical products.