Patents by Inventor Iijima Makoto

Iijima Makoto 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).

  • Patent number: 7429276
    Abstract: The present invention concerns a composition for the dyeing keratin fibers especially human hair on the basis of an oxidation dyestuff precursor system reacting with peroxide and comprising additionally anionic direct dyes which provides long-lasting, intensive, vibrant colors. Hair dyeing composition of the present invention comprises at least one oxidation dyestuff precursor reacting with peroxide, optionally at least one coupling agent and at least one acidic direct dye. The compositions of the present invention do not comprise any cationic dyes.
    Type: Grant
    Filed: April 27, 2006
    Date of Patent: September 30, 2008
    Assignee: KPSS-Kao Professional Salon Services GmbH
    Inventors: Jonathan Wood, Bernd Nöcker, Iijima Makoto