13.
    发明专利
    未知

    公开(公告)号:DE69317975T2

    公开(公告)日:1998-08-06

    申请号:DE69317975

    申请日:1993-10-01

    Applicant: OREAL

    Abstract: The invention relates to the use, in dyeing keratinous fibres, of at least one sulphur-containing meta-phenylenediamine of general formula: in which, Z is alkyl, aralkyl, monohydroxyalkyl, polyhydroxyalkyl, aryl, aminoalkyl or fluoroalkyl, R1 and R2, which are identical or different, are hydrogen, alkyl, monohydroxyalkyl, polyhydroxyalkyl, monocarbamoylalkyl, dialkylcarbamoyl, aminoalkyl, acylaminoalkyl, carbalkoxyalkyl, carbamoyl, monoalkylcarbamoyl or fluoroalkyl, R3 is hydrogen or alkyl, R4 and R5, which are identical or different, are hydrogen, halogen, alkoxy, hydroxyalkyl or -SZ, Z having the above meanings, and the corresponding acid salts, at least one of R3, R4 or R5 is other than hydrogen. The invention also relates to a dyeing composition, to a dyeing process and to new sulphur-containing meta-phenylenediamines.

    18.
    发明专利
    未知

    公开(公告)号:NL192817B

    公开(公告)日:1997-11-03

    申请号:NL8601507

    申请日:1986-06-10

    Applicant: OREAL

    Abstract: The invention relates to dyeing compositions for direct dyeing of keratinic fibres, containing, in a cosmetically acceptable medium: (a) at least one yellow or green-yellow dye corresponding to the formula (I): (I) in which X=Cl, Br, F, and R1 and R2 denote, independently of each other, hydrogen, alkyl, hydroxyalkyl, or alkylaminoalkyl in which the aminoalkyl group may be mono- or disubstituted provided that R1 and R2 do not simultaneously denote a hydrogen atom, and (b) at least one blue or violet dye corresponding to the formula: (II) in which R3 denotes a hydrogen atom or an alkyl, monohydroxyalkyl, polyhydroxyalkyl or alkoxyalkyl radical and R4 and R5 have separately the same meanings as R3 but cannot denote a hydrogen atom.

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