Patents by Inventor Francois Ringenbach

Francois Ringenbach 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).

  • Antifungus composition in dry spray form
    Patent number: 5262150
    Abstract: An antifungus composition in dry spray form contains in combination at least one antifungus agent of the family of allylamines, a noncyclized silicone polymer, a mineral or organic charge and a gas propellant. This composition is useful in the treatment of mycoses.
    Type: Grant
    Filed: September 26, 1991
    Date of Patent: November 16, 1993
    Assignee: L'Oreal
    Inventors: Jean-Pierre Laugier, Francois Ringenbach, Philippe Touzan
  • Process for improving the therapeutic efficacy of fat-soluble corticosteroids and composition for carrying out this process
    Patent number: 5190936
    Abstract: The process consists in dissolving a corticosteroid in the lipid phase of nonionic amphiphilic lipid vesicles consisting of one or more lipid lamellae.Composition for carrying out the above process, in which the vesicles are dispersed in an aqueous phase D, have an average diameter of between 10 and 5,000 nm and contain as corticosteroids 17- and/or 21-mono- or -diesters of hydrocortisone, cortisone, prednisone, prednisolone or 6-methylprednisolone, the corticosteroids representing 0.5 to 2.5% by weight of the total lipids of the lamellae.
    Type: Grant
    Filed: June 13, 1990
    Date of Patent: March 2, 1993
    Assignee: L'Oreal
    Inventors: Jean-Pierre Laugier, Evelyne Segot, Francois Ringenbach, Jean-Thierry Simonnet, Philippe M. Touzan