Patents by Inventor Charles Zviak

Charles Zviak 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: 3988110
    Abstract: A hair coloring and hair-setting lotion composition comprises in combination an aqueous solution of a lower alkanol, a cosmetic film-forming resin, a direct dye, a solar filter and a reducing agent selected from the group consisting of butyl hydroxy anisole, dodecyl gallate, propyl gallate and octyl gallate. The reducing agent is generally present in amounts of about 0.02 - 2% by weight of the composition.
    Type: Grant
    Filed: May 20, 1975
    Date of Patent: October 26, 1976
    Assignee: Societe Anonyme dite: L'Oreal
    Inventors: Charles Zviak, Giuliana Ghilardi
  • Patent number: 3978204
    Abstract: A process for preparing a cosmetic blotting paper toweling composition for the skin consisting essentially of a flexible solid blotting paper toweling support having a multiplicity of mechanical pressure rupturable, cosmetic containing microcapsules, which are homogeneously distributed therein, comprises dispersing the microcapsules in a liquid blotting paper paste phase at a time when the liquid blotting paper paste phase has a density close to that of the microcapsules so that the microcapsules are homogeneously distributed therein and solidifying the liquid phase to produce said cosmetic composition.
    Type: Grant
    Filed: December 12, 1974
    Date of Patent: August 31, 1976
    Assignee: L'Oreal
    Inventors: Roger Charle, Charles Zviak, Gregoire Kalopissis