Ester mixtures and compositions comprising such ester mixtures

US8921430B2 · kind B2 · utility

Assignee

• Cognis IP Management GmbH · DE

Inventors

• Rolf Kawa · Monheim, DE
• Stefan Brüning · Goldkronach, DE

Key dates

• Filing date: Jun 19, 2010
• Grant date: Dec 30, 2014
• Expiry date: Jun 19, 2030

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61Q17/04
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention is directed to a mixture of esters according to the general formula (I), R1—C(═O)—O—R2, wherein R1 is an alkyl moiety with 7 to 9 carbon atoms and wherein R2 is a an alkyl moiety with 8 to 10 carbon atoms, wherein the mixture comprises 5 to 60 weight-% of ester of the general formula (I), wherein R1 is an alkyl moiety with 9 carbon atoms, based on the total amount of esters according to formula (I) and/or wherein the mixture comprises 5 to 60 weight-% of ester of the general formula (I), wherein R2 is an alkyl moiety with 10 carbon atoms, based on the total amount of esters according to formula (I). The invention is further directed to cosmetic and/or pharmaceutical compositions comprising such esters and processes for the production of such esters.