Patents by Inventor Jean Choay, deceased

Jean Choay, deceased 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).

  • Oligosaccharides having anti-Xa activity and pharmaceutical compositions containing them
    Patent number: RE35770
    Abstract: Oligosaccharides obtainable from heparin including heparinic constituents of molecular weights ranging from 2000 to 50,000. Said fractions have a Yin-Wessler titer and a USP titer in a ratio of at least 30. They consist of chains constituted by no more than 8 saccharidic moities. They possess a strong antithrombotic activity and are then useful as antithrombotic drugs.
    Type: Grant
    Filed: December 19, 1995
    Date of Patent: April 14, 1998
    Assignee: Choay, S.A.
    Inventors: Jean Claude Lormeau, Maurice Petitou, Jean Choay, deceased