Patents by Inventor Subir Datta

Subir Datta 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 preparing 5-deoxy-L-arabinose
    Patent number: 4650864
    Abstract: The process for preparing 5-deoxy-arabinose comprises reacting 5-tosyl-L-arabinose-dialkylmercaptal with NaBH.sub.4 in DMSO to give 5-deoxy-L-arabinose-dialkylmercaptal and then reacting the obtained 5-deoxy-L-arabinose-dialkylmercaptal with hydrochloric acid in DMSO. According to the process, 5-deoxy-L-arabinose can be obtained in a high yield without employing heavy metal such as mercury.
    Type: Grant
    Filed: June 20, 1985
    Date of Patent: March 17, 1987
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki
    Inventors: Max Viscontini, Subir Datta