The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 22, 2012
Filed:
Mar. 26, 2005
Ulrich Issberner, Rommerskirchen, DE;
Catherine Weichold, Aachen, DE;
Achim Ansmann, Erkrath, DE;
Stefan Bruening, Philadelphia, PA (US);
Helga Gondek, Duesseldorf, DE;
Ulrich Issberner, Rommerskirchen, DE;
Catherine Weichold, Aachen, DE;
Achim Ansmann, Erkrath, DE;
Stefan Bruening, Philadelphia, PA (US);
Helga Gondek, Duesseldorf, DE;
Cognis IP Management GmbH, Dusseldorf, DE;
Abstract
A fatty acid ester of pentaerythritol, a pentaerythritol oligomer, or mixtures thereof, where the fatty acid has 6 to 22 carbon atoms, and the ester contains less than 0.3% by weight Cfatty acid acyl groups and has a melting point of at least 30° C. is provided. A process for the production of a C/Cfatty acid pentaerythritol ester including (A) providing about 1.8 to about 2.2 mol of a fatty acid mixture per mol of pentaerythritol; (B) esterifying component (A) at temperatures ranging from about 180° C. to about 250° C. in an inert gas atmosphere in the absence of solvent to form a reaction mixture; (C) stirring the reaction mixture in vacuo until it has an acid value of less than 1 and an OH value of 145 to 158 is provided. A cosmetic and/or pharmaceutical composition including the above-described ester is also provided.