11.14.05
Patent No. US 6,528,068 B1: Japanese researchers for Ajinomoto Co., Tokyo, Japan, patented an oily material for cosmetic compositions comprising an N-long-chain acyl neutral amino acid ester containing a straight-chain or branched-chain, saturated or unsaturated acyl group having from 6 to 22 carbon atoms. The hydrocarbon group of the alcohol ester is derived from a straight-chain or branched-chain, saturated or unsaturated hydrocarbon group having 1 to 10 carbon atoms.