发明名称 |
Sensory Wax for Cosmetic and/or Pharmaceutical Formulations |
摘要 |
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 C<SUB>17 </SUB>fatty acid acyl groups and has a melting point of at least 30° C. is provided. A process for the production of a C<SUB>16</SUB>/C<SUB>18 </SUB>fatty 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.
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申请公布号 |
US2008051470(A1) |
申请公布日期 |
2008.02.28 |
申请号 |
US20050599682 |
申请日期 |
2005.03.26 |
申请人 |
ISSBERNER ULRICH;WEICHOLD CATHERINE;ANSMANN ACHIM;BRUENING STEFAN;GONDEK HELGA |
发明人 |
ISSBERNER ULRICH;WEICHOLD CATHERINE;ANSMANN ACHIM;BRUENING STEFAN;GONDEK HELGA |
分类号 |
A61K8/00;A61K8/06;A61K8/37;A61Q19/00;A61Q90/00;C07C67/00;C07C67/08;C07C69/33;C07C69/52;C07C69/533;C07C69/56;C08G65/34;C11C3/00 |
主分类号 |
A61K8/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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