Patents by Inventor Yves Chevremont

Yves Chevremont 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).

  • Hydrated forms of zilpatherol hydrochloride
    Patent number: 5847124
    Abstract: Crystallized anhydrous zilpaterol hydrochloride having less than 5% of the crystals with a size of less than 15 microns and at least 95% of the crystals having a size of less than 250 microns and a process for its preparation and novel intermediates.
    Type: Grant
    Filed: December 11, 1997
    Date of Patent: December 8, 1998
    Assignee: Roussel Uclaf
    Inventors: Yves Chevremont, Jean-Yves Godard
  • Crystallized zilpaterol hydrochloride
    Patent number: 5731028
    Abstract: Crystallized anhydrous zilpaterol hydrochloride having less than 5% of the crystals with a size of less than 15 microns and at least 95% of the crystals having a size of less than 250 microns and a process for its preparation and novel intermediates.
    Type: Grant
    Filed: June 6, 1996
    Date of Patent: March 24, 1998
    Assignee: Roussel Uclaf
    Inventors: Yves Chevremont, Jean-Yves Godard