Patents by Inventor Sadhan K. Dutta

Sadhan K. Dutta 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).

  • Erythromycin aldobionates
    Patent number: 4137397
    Abstract: This invention relates to a novel process for the preparation of Erythromycin aldobionates and novel Erythromycin maltobionates, Erythromycin Cellobionate and Erythromycin mellibionate. The said process comprises converting an alkali metal salt of aldobionic acid into free aldobionic acid, neutralizing the obtained aldobionic acid with Erythromycin base and finally recovering the Erythromycin aldobionate.
    Type: Grant
    Filed: June 1, 1976
    Date of Patent: January 30, 1979
    Assignee: Registrar, Jadavpur University
    Inventors: Sadhan K. Dutta, Sanat K. Basu