Diamino phenol hair dyeing compounds
    20.
    发明授权
    Diamino phenol hair dyeing compounds 失效
    DIAMINO PHENOL头发染色化合物

    公开(公告)号:US3666812A

    公开(公告)日:1972-05-30

    申请号:US3666812D

    申请日:1967-06-12

    Applicant: OREAL

    CPC classification number: A61K8/415 A61Q5/10 D06P1/32

    Abstract: Compounds suitable for use in one step hair and keratin fiber dyeing compositions which do not require the use of separate dye modifiers and are exceptionally color stable, having the formula

    IN WHICH R is selected from the group consisting of hydrogen and alkyll R1 is selected from the group consisting of alkyl, alkoxy, and dialkylamino, R4 which can be in position 5 or 6 on the ring is selected from the group consisting of hydrogen, halogen, hydroxy, alkyl, alkoxy and NH2, and at least one of said R1 and R4 is said dialkylamino or said NH2.

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