SUNSCREEN COSMETIC
    84.
    发明申请
    SUNSCREEN COSMETIC 审中-公开

    公开(公告)号:US20180289610A1

    公开(公告)日:2018-10-11

    申请号:US15764738

    申请日:2016-09-30

    Abstract: A sunscreen cosmetic exerts stably an excellent ultraviolet shielding effect without undergoing photodegradation even in a system where 4-tert-butyl-4′-methoxydibenzoylmethane and ethylhexyl methoxycinnamate coexist. The sunscreen cosmetic comprises (a) 0.5-5.0 mass % of 4-tert-butyl-4′-methoxydibenzoylmethane, (b) 3.0-10 mass % of ethylhexyl methoxycinnamate, (c) 5.0 mass % or more of an amphipathic substance, and (d) a liquid oil component containing an ester oil having an IOB of 0.05-0.60, characterized in that the contents of components (a), (b) and (c) satisfy the requirement 0.5≤[(a)+(b)]/(c)≤3.5.

    Optical resolution method of lenalidomide

    公开(公告)号:US10047068B2

    公开(公告)日:2018-08-14

    申请号:US15312788

    申请日:2015-05-21

    Abstract: The problem addressed by the present invention is to provide a novel method for separating and purifying pure enantiomer of lenalidomide. Pure enantiomer of lenalidomide can be separated and purified by using, as the mobile phase, an organic solvent selected from the group consisting of aprotic solvents, secondary alcohols, and mixtures thereof.

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