Patents by Inventor Beatrice Calais

Beatrice Calais 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).

  • Polymorphic B form of 3-(cyclopropylmethoxy)-4-[4-(methylsulfonyl)phenyl]-5,5-dimethyl-5H-furan-2-one
    Patent number: 6677373
    Abstract: This invention is related to a polymorphic B Form of 3-(cyclopropylmethoxy)-4-[4-(methylsulfonyl)phenyl]-5,5-dimethyl-5H-furan-2-one characterized by the following parameters: cristalline system Trigonal space group R-3 description hexagonal unit-cell dimensions a (Å) 18.183 b (Å) 18.183 c (Å) 26.950 &agr; (°) 90 &bgr; (°) 90 &ggr; (°) 120 unit-cell volume (Å3) 7716.5 number of molecules per unit-cell Z 18 Temperature of measurement (° K) 293 calculated specific gravity 1.303 weight absorption coefficient (cm−1) 2.11.
    Type: Grant
    Filed: April 8, 2002
    Date of Patent: January 13, 2004
    Assignee: Merial Limited
    Inventors: Beatrice Calais, Evelyne Chassagneux, Jean-Michel Bonard
  • Polymorphic B Form of 3-(cyclopropylmethoxy)-4-[4(methylsulfonyl)phenyl]-5,5- dimethyl-5H-furan-2-one
    Publication number: 20030050337
    Abstract: This invention is related to a polymorphic B Form of 3-(cyclopropylmethoxy)-4-[4-(methylsulfonyl)phenyl]-5,5-dimethyl-5H-furan-2-one characterized by the following parameters: 1 cristalline system Trigonal space group R-3 description hexagonal unit-cell dimensions a (Å) 18.183 b (Å) 18.183 c (Å) 26.950 &agr; (°) 90 &bgr; (°) 90 &ggr; (°) 120 unit-cell volume (Å3) 7716.5 number of molecules per unit-cell Z 18 Temperature of measurement (° K) 293 calculated specific gravity 1.303 weight absorption coefficient (cm−1) 2.
    Type: Application
    Filed: April 8, 2002
    Publication date: March 13, 2003
    Inventors: Beatrice Calais, Evelyne Chassagneux, Jean-Michel Bonard