Patents by Inventor Tooru Futagawa

Tooru Futagawa 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).

  • Process for the preparation of levetiracetam
    Patent number: 6107492
    Abstract: Levetiracetam is prepared by optical resolution of etiracetam by means of preparative high performance liquid chromatography or continuous simulated moving bed chromatographic system using silica gel supporting amylose tris(3,5-dimethylphenylcarbamate) as a packing material.
    Type: Grant
    Filed: May 7, 1999
    Date of Patent: August 22, 2000
    Assignees: UCB, S.A., Daicel Chemical Industries, Ltd.
    Inventors: Tooru Futagawa, Jean-Pierre Canvat, Emile Cavoy, Michel Deleers, Michel Hamende, Vincent Zimmermann