Patents by Inventor Laurent Marchal

Laurent Marchal 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
    Publication number: 20030133984
    Abstract: The present invention provides a pharmaceutical composition in solid form comprising a poorly water soluble drug, a solubilizing component, and a surfactant which is semisolid or solid. The poorly soluble drug may e.g. be a cyclosporing or a macrolide.
    Type: Application
    Filed: September 23, 2002
    Publication date: July 17, 2003
    Inventors: Michael Ambhl, Barbara Haeberlin, Barbara Lckel, Armin Meinzer, Olivier Lambert, Laurent Marchal
  • Organic compounds
    Patent number: 6204308
    Abstract: An emulsion-based method of microencapsulating an active agent wherein a water-in-oil emulsion, containing a matrix-forming polymer and an active agent, is dispersed in an aqueous external phase to form a microencapsulated product.
    Type: Grant
    Filed: March 1, 1999
    Date of Patent: March 20, 2001
    Assignee: Novartis AG
    Inventors: Michael Ausborn, David Bodmer, Oskar Nagele, Laurent Marchal
  • Ophthalmic product
    Patent number: 5308624
    Abstract: Ophthalmic product comprising nanocapsules, process for preparing it and application of the nanocapsules.The present invention relates to an ophthalmic product comprising nanocapsules, characterized by a central core of lipid nature surrounded by a polymeric membrane capable of adhering to biological tissues.The present invention also relates to its preparation and to the application of the nanocapsules for ophthalmic use.
    Type: Grant
    Filed: March 29, 1991
    Date of Patent: May 3, 1994
    Assignee: Laboratorios Cusi, S.A.
    Inventors: Philippe Maincent, Laurent Marchal-Heussler, Daniel Sirdat