Cosmetic and dermatological preparations containing transparent surface-coated titanium dioxide particles

    公开(公告)号:AU2006221980A1

    公开(公告)日:2006-09-14

    申请号:AU2006221980

    申请日:2006-03-03

    Applicant: BASF AG

    Abstract: The present invention relates to cosmetic and dermatological preparations for protecting human skin and hair against UV radiation, comprising surface-coated titanium dioxide particles which are transparent in the visible region and have a crystallite size of from 10 to 20 nm and a specific surface area of from 90 to 110 m 2 /g, wherein the surface coating of the titanium dioxide particles comprises a multicoating of a) aluminum oxide and b) methicone or a copolymer of methicone and dimethicone or a multicoating of a) aluminum oxide, b) methicone or a copolymer of methicone and dimethicone and c) silicon dioxide.

    65.
    发明专利
    未知

    公开(公告)号:DE10342861A1

    公开(公告)日:2005-04-21

    申请号:DE10342861

    申请日:2003-09-15

    Applicant: BASF AG

    Abstract: The invention relates to a method of producing powdered preparations comprising 2,4,6 trianilino p (carbo 2'-ethylexyl-1'-oxy)-1,3,5 triazine of the formula I and diethylamino hydroxybenzoyl hexyl benzoate of the formula II the method comprising: a) jointly dispersing the compounds I and II in an aqueous molecularly disperse or colloidally disperse solution of a protective colloid; and b) converting the dispersion obtained into a dry powder by removing the water and drying, wherein the protective colloid used in process step a) is modified starch.

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