中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

13 records (took 0.019 seconds)

    9.
    发明专利
    未知

    公开(公告)号：CH614625A5

    公开(公告)日：1979-12-14

    申请号：CH221375

    申请日：1975-02-21

    Applicant: OREAL

    Inventor： KALOPISSIS GREGOIRE ,  BUGAUT-ORMANCEY ANDREE ,  ESTRADIER FRANCOISE

    IPC: A61K8/41 ,  A61Q5/10 ,  C07C275/40 ,  A61K7/13

    Abstract: Diphenylamine of the formula wherein R1 and R4 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl having 1-6 carbon atoms, lower alkoxy having 1-6 carbon atoms, amino, lower alkyl amino wherein the alkyl moiety has 1-6 carbon atoms, acylamino, lower carbamylalkyl amino wherein the alkyl moiety has 1-6 carbon atoms, lower hydroxyalkyl amino wherein the alkyl moiety has 1-6 carbon atoms, lower carbalkoxy amino wherein the alkoxy moiety has 1-6 carbon atoms and ureido; R2 and R3 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl having 1-6 carbon atoms, lower alkoxy having 1-6 carbon atoms, acylamino and ureido; R5 and R8 each independently represent a member selected from the group consisting of hydrogen, halogen, lower alkyl having 1-6 carbon atoms and lower alkoxy having 1-6 carbon atoms; and R6 and R7 are lower alkyl having 1-6 carbon atoms, with the proviso that (a) when both R6 and R7 represent methyl (1) one of R1 and R4 must represent a member selected from the group consisting of amino, lower alkyl amino wherein the alkyl moiety has 1-6 carbon atoms, lower carbamylalkyl amino wherein the alkyl moiety has 1-6 carbon atoms, lower hydroxyalkyl amino wherein the alkyl moiety has 1-6 carbon atoms and ureido, or (2) one of R1 and R4 represent acylamino and R2 and R3 are not both hydrogen, and (b) that when both R6 and R7 represent ethyl, R2 and R3 are other than tertiobutyl. The said diphenylamine is employed in a dye composition for dyeing keratinic fibers.

Patent Agency Ranking