Patents by Inventor Claude Mazuel

Claude Mazuel 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).

  • Pharmaceutical and/or cosmetic composition for local use containing Rhamsan gum
    Patent number: 4996197
    Abstract: The present invention concerns a pharmaceutical and/or cosmetic composition designed to be applied on the skin or the mucosae, characterized in that it contains Rhamsan gum.
    Type: Grant
    Filed: July 25, 1988
    Date of Patent: February 26, 1991
    Assignee: Laboratoires Merck Sharp & Dohme-Chibret
    Inventor: Claude Mazuel
  • Ophthalmological composition of the type which undergoes liquid-gel phase transition
    Patent number: 4861760
    Abstract: The present invention relates to a pharmaceutical composition intended for contacting with a physiological liquid characterized in that said composition is intended to be administered as a non-gelled liquid form and is intended to gel in situ, this composition containing at least one polysaccharide in aqueous solution, of the type which undergoes liquid-gel phase transition gelling in situ under the effect of an increase in the ionic strength of said physiological liquid.
    Type: Grant
    Filed: September 25, 1986
    Date of Patent: August 29, 1989
    Assignee: Merck & Co., Inc.
    Inventors: Claude Mazuel, Marie-Claire Friteyre