Oblon, Spivak, McClelland, Maier & Neustadt
Arginine derivatives and cosmetic compositions containing the same
 Emulsifier compositions capable of forming an emulsion which is stable over a wide range of temperatures and contains at least one of a N.sup..alpha. -long-chain acyl arginine higher alkyl ester of the general formula (I) or an acid-addition salt thereof: ##STR1## wherein R.sup.1 CO is a straight-chain C.sub.8-22 acyl group; and R.sup.2 is a straight-chain or branched C.sub.12-22 alkyl group, are disclosed. 
Ajinomoto Co., Ltd.
Y A A C A A A Y
Y10S A61Q A61K C07D A61Q A61K A61Q Y10S
additional additional inventional inventional inventional inventional additional additional
Masahiro Takeshi Shinichi Tohru
Takehara Miyoshi Takano Kobayashi