Patents by Inventor Marie-Claire Friteyre

Marie-Claire Friteyre 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).

  • 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