Patents by Inventor SHISEDIO COMPANY LTD.

SHISEDIO COMPANY LTD. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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.