Skin-protective sun-screening composition and method
    2.
    发明授权
    Skin-protective sun-screening composition and method 失效
    皮肤防护性筛选组合物和方法

    公开(公告)号:US3705234A

    公开(公告)日:1972-12-05

    申请号:US3705234D

    申请日:1969-04-01

    Applicant: GAF CORP

    CPC classification number: A61Q17/04 A61K8/40 A61K8/466

    Abstract: NOVEL SUN-SCREENING AGENTS OF THE FORMULA:

    X-(AR)1-CH=N-N(-R)-(AR)2-Y

    WHEREIN (AR)1 AND (AR)2 REPRESENT BENZENE RINGS; X AND Y REPRESENT A MEMBER SELECTED FROM HYDROGEN, AND A CARBOXYLIC OR SULFONIC ACID SALT-FORMING CATION, AT LEAST ONE OF X AND Y BEING OTHER THAN HYDROGEN: AND R REPRESENTS AN ALIPHATIC RADICAL, PREFERABLY A LOWER ALKYL RADICAL. SUCH COMPOUNDS ARE USEFUL AS SUN-SCREENING AGENTS AS THEY ABSORB ULTRAVIOLET LIGHT IN THE REGION OF FROM ABOUT 2900 A. TO ABOUT 3500A. PHARMACEUTICAL COMPOSITIONS INCLUDING A PHARMACEUTICALLY ACCEPTABLE CARRIER AND THE ABOVE SUN-SCREENING AGENTS ARE EFFECTIVE COMPOSITIONS TO SCREEN OUT BOTH THE BURNING AND TANNING RAYS OF THE SUN SO AS TO PROVIDE EXCELLENT SUN-SCREENING PROTECTION.

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