Patents by Inventor Guy Varlerberghe

Guy Varlerberghe 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).

  • Piperazine based polymer and hair treating composition containing the same
    Patent number: 4013787
    Abstract: Piperazine-based low molecular weight film-forming cationic polymer is employed in a cosmetic hair-conditioner composition comprising a solution of the polymer in amounts of about 0.1-5 weight percent of the composition in a solvent such as water, acidified water, or aqueous alcohol solution.
    Type: Grant
    Filed: July 29, 1975
    Date of Patent: March 22, 1977
    Assignee: Societe Anonyme dite: L'Oreal
    Inventors: Guy Varlerberghe, Henri Sebag