Patents by Inventor Gilles Spenlehauer

Gilles Spenlehauer 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).

  • Microspheres, process for their preparation and their use
    Patent number: 6120805
    Abstract: Biocompatible microspheres containing one or more active principals, a biodegradable and biocompatible polymer and a surface-active agent which is also biodegradable and biocompatible, contain less than 10 ppm of heavy metals. These microspheres are prepared by providing a solution of the polymer and of the active principal in a water-immiscible solvent which is more volatile than water and mixing with an aqueous solution of the surface-active agent, followed by evaporation of the solvent.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: September 19, 2000
    Assignee: Rhone-Poulenc Rorer SA
    Inventors: Gilles Spenlehauer, Michel Veillard, Thierry Verrechia
  • Nucleic acid-containing composition, its preparation and use
    Patent number: 5856435
    Abstract: The present invention relates to compositions comprising nucleic acids and oligopeptides, and their use in therapy and in gene therapy, in particular for the transfer of nucleic acids.
    Type: Grant
    Filed: August 26, 1996
    Date of Patent: January 5, 1999
    Assignee: Rhone-Poulenc Rorer SA
    Inventors: Didier Bazile, Carole Emile, Claude Helene, Gilles Spenlehauer
  • Nanoparticles based on a polyoxyethelene and polyactic acid block copolymer
    Patent number: 5683723
    Abstract: The invention discloses nanoparticles offering an extended time before capture by the reticulo-endothelial system. Said particles are composed of an ethylene and/or propylene polyoxide polylactic copolymer optionally mixed with a polylactic polymer.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: November 4, 1997
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Gilles Spenlehauer, Didier Bazile, Michel Veillard, Christian Prud'Homme, Jean-Paul Michalon
  • Granulocyte colony-stimulating factor solution delivery method
    Patent number: 5554150
    Abstract: Methods and devices for delivery of granulocyte-colony stimulating factor to a patient are disclosed. The method comprises continuous subcutaneous delivery of a solution comprising granulocyte-colony stimulating factor to the patient. Devices for continuous administration are also disclosed.
    Type: Grant
    Filed: January 20, 1995
    Date of Patent: September 10, 1996
    Assignee: Rhone-Poulenc Rorer S.A.
    Inventors: Anne Bousseau, Armand Frydman, Jean-Paul Plard, Gilles Spenlehauer, Michel Veillard