Patents by Inventor Marcus Speckbacher

Marcus Speckbacher has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Dark coloured azo dyes
    Publication number: 20090118510
    Abstract: The present invention relates to a) a non-oxidative colouring agent for keratin fibres, in particular human hair, comprising at least one dye according to formula (I) or (II), b) an oxidative colouring agent for keratin fibres, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide), at least one oxidative dye precursor and at least one dye according to formula (I) or (II), and c) a lightening agent for keratin fibres, in particular human hair, which comprises at least one oxidizing agent (e.g. hydrogen peroxide) and at least one dye according to formula (I) or (II), with R4 being a cationic group.
    Type: Application
    Filed: October 19, 2007
    Publication date: May 7, 2009
    Inventors: Marcus Speckbacher, Jessica Chassot, Hans-Jurgen Braun