Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Cosmetics and N-acylamino acid composition
 There are disclosed cosmetics which comprise N-acylamino acids containing acyl groups having specifically numbered carbon atoms, or derivatives thereof and which are well suited for hair growth, skin care and the like; N-acylamino acid compositions which are favorably usable for detergents, dispersants, emulsifying agents, antimicrobial drugs, antiseptics, ultraviolet absorbers and the like. The invention provides cosmetics which comprise N-acylamino acids containing acyl groups having odd-numbered carbon atoms, salts thereof or esters thereof; N-acylamino acid compositions; and further N-acylamino acids containing acyl groups having carbon atoms in an odd number in the range of 13 to 17 along with salts and esters thereof. 
Kashima Oil Company
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Yoshihiro Kimihiko Hisashi Kazunori
Takayama Ogihara Yamashita Ishigami