Patents by Inventor Guillaume Conrath

Guillaume Conrath 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 compositions in the form of sustained-release tablets based on high molecular weight polysaccharide granules
    Patent number: 6221393
    Abstract: The present invention relates to a delayed-release pharmaceutical composition which is in the form of tablets prepared by direct tableting and consisting of at least one active principle and a matrix which gives the said composition its delayed-release effect, characterized in that the said matrix consists at least in part of pregranulated polysaccharides of high molecular weight and of synthetic or natural origin.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: April 24, 2001
    Assignee: Rhodia Chimie
    Inventors: Jean-Pierre Collaueri, Guillaume Conrath, Paul-Joël Derian, Gabriel Gousset, Frédéric Mauger
  • Pharmaceutical compositions based on dalfopristine and on quinupristine, and preparation thereof
    Patent number: 6187746
    Abstract: The present invention relates to injectable compositions containing a dalfopristine/quinupristine combination comprising an aqueous solution containing the dalfopristine/quinopristine combination and an additive intended to avoid or reduce the intolerance effects at the site of injection.
    Type: Grant
    Filed: December 15, 1998
    Date of Patent: February 13, 2001
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Guillaume Conrath, Joël Vacus, Nicholas Paul Barker
  • Stabilized pharmaceutical compositions, with quinupristine and dalfopristine base and their preparation
    Patent number: 5994338
    Abstract: A stabilized pharmaceutical composition having a combined quinupristine/dalfopristine base and containing an at least stoichiometric amount of methanesulphonic acid or hydrochloric acid and being characterized in that its pH ranges from about 3.5 to about 5. Methods of making and using the stabilized composition are also disclosed.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: November 30, 1999
    Assignee: Rhone Poulenc Rorer S.A.
    Inventors: Jean-Paul Bounine, Guillaume Conrath
  • Solution of sparfloxacin, its preparation and salt of which it is composed
    Patent number: 5478829
    Abstract: This invention relates to a pharmaceutical composition comprising sparfloxacin and a stable aqueous solution of sparfloxacin of the formula (I): ##STR1## comprising sparfloxacin, one or more polyhydroxymonocarboxylic acids, or lactone derivatives thereof, at least in a stoichiometric quantity with respect to sparfloxacin, and, optionally, an excess of said polyhydroxymonocarboxylic acid or another pharmaceutically acceptable acid for ensuring full solubilization of the salt so formed, not exceeding 5, and optionally an isotonic agent and/or other pharmaceutically acceptable additives.
    Type: Grant
    Filed: March 25, 1994
    Date of Patent: December 26, 1995
    Assignee: Rhone-DPC Europe
    Inventor: Guillaume Conrath
  • Pharmaceutical compositions based on ebastine or analogues thereof
    Patent number: 5460829
    Abstract: This invention relates to the process for the preparation of novel 1,4-substituted piperidine derivative based solid compositions in micronized or hydrophilic form.
    Type: Grant
    Filed: June 1, 1994
    Date of Patent: October 24, 1995
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Jean-Marc Bobee, Guillaume Conrath, Gabriel Gousset, Michel Ponsot, Michel Veillard