发明名称 HYDROCHALCONE DERIVATIVES, COMESTIC COMPOSITIONS CONTAINING THE SAME, AND PROCESSES FOR THE PREPARATION OF BOTH
摘要 <p>A comestic having excellent pigmentation controlling and skin beautifying effects, a high safety for the skin and an excellent storage stability and containing a hydrochalcone compound of general formula (I) as the active ingredient wherein R1 to R4 are each independently H or -COR with R being C¿1?-C20 alkyl.</p>
申请公布号 WO1997019044(P1) 申请公布日期 1997.05.29
申请号 JP1996003444 申请日期 1996.11.25
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