Patents Assigned to SHISEDIO COMPANY LTD.
  • Publication number: 20130045173
    Abstract: The present invention provides a compound having an excellent inhibitory action on melanin production and being useful as a whitening agent, and a skin external preparation containing the compound. The whitening agent of the present invention comprises, as an active ingredient, a compound represented by formula (1) or a pharmacologically acceptable salt thereof: wherein, R1, R3, R4, and R6 are each independently C1-3 alkyl; and R2 and R5 are each independently a hydrogen atom or C1-3 alkyl.
    Type: Application
    Filed: October 22, 2012
    Publication date: February 21, 2013
    Applicant: SHISEDIO COMPANY LTD.
    Inventor: SHISEDIO COMPANY LTD.