Patent ID: 8183298

Claim:
A fatty acid ester mixture of pentaerythritol, wherein the fatty acid has 6 to 22 carbon atoms, the esters have a ratio by weight of C 16 /C 18 fatty acid of about 0.7 to 0.9, and wherein said ester mixture contains less than 0.3% by weight of esters containing C 17 fatty acid acyl groups, and has a melting point of at least 30° C., with a percentage content of (a) about 12% to about 19% by weight monoesters, (b) about 25% to about 35% by weight diesters, (c) about 30% to about 40% by weight triesters, and (d) tetraesters, wherein said fatty acid ester mixture of pentaerythritol is incorporated as a wax component in a cosmetic and/or pharmaceutical composition.