Patents by Inventor Walter Ferdinand Filliers

Walter Ferdinand Filliers 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).

  • Methods for the preparation of benzoxazole sulfonamide compounds and intermediates thereof
    Publication number: 20070123574
    Abstract: The present invention relates to methods for the preparation of benzoxazole sulfonamide compounds as well as novel intermediates for use in said method. More in particular the invention relates to methods for the preparation of 2-amino-benzoxazole sulfonamide compounds which make use of 2-mercapto-benzoxazole sulfonamide intermediates, more in particular methods employing the intermediate 1-Benzyl-2-hydroxy-3-[isobutyl-(2-methylsulfanyl-benzoxazole-6-sulfonyl)-amino]-propyl)-carbamic ester, and to methods amenable to industrial scaling up. Said benzoxazole sulfonamide compounds are particularly useful as HIV protease inhibitors.
    Type: Application
    Filed: September 30, 2004
    Publication date: May 31, 2007
    Inventors: Herman De Kock, Walter Ferdinand Filliers, Wim Aelterman