公开(公告)号：US06531143B1

公开(公告)日：2003-03-11

申请号：US09701532

申请日：2000-11-28

申请人： Masafumi Yakumaru ,  Hiroko Nakatsugawa ,  Yoshiko Iwamoto ,  Takeshi Ikemoto

发明人： Masafumi Yakumaru ,  Hiroko Nakatsugawa ,  Yoshiko Iwamoto ,  Takeshi Ikemoto

IPC分类号： A01N3702

CPC分类号： A61K8/37 ,  A61K9/0014 ,  A61K47/14 ,  A61K2800/75 ,  A61Q1/06 ,  A61Q5/02 ,  A61Q19/00 ,  C07C69/675

摘要： An oily base, which has excellent stability, a low melting point and does not irritate the skin and an external composition which contains the oily base. The present invention is directed to an alpha-hydroxy fatty acid derivatives represented by the general formula (1): wherein R1 represents a straight-chain or branched alkyl group having 10 to 24 carbon atoms, R2 represents a straight-chain or branched alkyl group having 1 to 31 carbon atoms, and R3 represents a straight-chain or branched alkyl group having 11 to 31 carbon atoms, and an external composition contains at least one of the derivatives.

摘要翻译： 油性基质，具有优异的稳定性，低熔点，不刺激皮肤，含有油性基质的外用组合物。 本发明涉及由通式（1）表示的α-羟基脂肪酸衍生物：其中R1表示碳原子数为10〜24的直链或支链烷基，R2表示直链或支链烷基 具有1至31个碳原子，R 3表示具有11至31个碳原子的直链或支链烷基，外部组合物含有至少一种衍生物。