Patents Assigned to Chemoxal
  • Process for the preparation of cyclodextrins or other compounds capable of producing clathrates with a gas
    Patent number: 5589590
    Abstract: A process for preparing any substance capable of forming a clathrate with a gas may start from a mixture in solution or in suspension of this substance with other components. This mixture is contacted with a gas to form a clathrate with the substance, a precipitate is collected, and the substance is recovered. The invention is especially useful for purifying .alpha.-cyclodextrin.
    Type: Grant
    Filed: January 25, 1994
    Date of Patent: December 31, 1996
    Assignee: Chemoxal
    Inventors: Henry Ledon, Pierre Larnicol, Marie-Jeanne Desmurs, Michel Dupont