Patents by Inventor Eckardt Wolf

Eckardt Wolf 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 Zonisamide and the intermediates thereof
    Publication number: 20080033181
    Abstract: The present invention provides a novel and improved process for the preparation of Zonisamide and the intermediates thereof. In one aspect of the present invention, the process provides for: the preparation and isolation of a novel crystalline form of anhydrous 1,2-benzisoxazole-3-methanesulfonic acid of formula 1; the direct chlorination of the acid of formula 1 into its acid chloride of formula 2; and the in situ conversion of the intermediate acid chloride of formula 2 into Zonisamide.
    Type: Application
    Filed: May 30, 2007
    Publication date: February 7, 2008
    Inventors: Gamini Weeratunga, Eckardt Wolf, Nageib Mohamed, Allan Rey, Bhaskar Guntoori
  • Process for the preparation of zonisamide and the intermediates thereof
    Publication number: 20070142644
    Abstract: The present invention provides a novel and improved process for the preparation of Zonisamide and the intermediates thereof. In one aspect of the present invention, the process provides for: the preparation and isolation of a novel crystalline form of anhydrous 1,2-benzisoxazole-3-methanesulfonic acid of formula 1; the direct chlorination of the acid of formula 1 into its acid chloride of formula 2; and the in situ conversion of the intermediate acid chloride of formula 2 into Zonisamide.
    Type: Application
    Filed: December 16, 2005
    Publication date: June 21, 2007
    Inventors: Gamini Weeratunga, Eckardt Wolf, Nageib Mohamed, Allan Rey, Bhaskar Guntoori