Patents by Inventor Myriam Yaker

Myriam Yaker 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).

  • Ammonia-free composition for dyeing keratinous fibres
    Patent number: 6423101
    Abstract: The invention concerns an ammonia-free composition for dyeing keratinous fibers, comprising an oxidant compound, coloring agent precursors and a non-volatile odorless alkalizing agent characterized in that it further comprises: a quaternized copolymer of dimethyldiallyl ammonium and acrylic acid; a quaternized silicone; an acrylic-itaconic copolymer esterified with one or several fatty alcohol's, optionally polyoxyethylenated.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: July 23, 2002
    Assignee: Eugene Perma
    Inventors: Myriam Yaker, Guy Lascar