Patents by Inventor Devnandan Chatterjee

Devnandan Chatterjee 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).

  • Pristinamycin process
    Patent number: 4866172
    Abstract: There is described a process for the preparation of therapeutically useful pristinamycin II.sub.B sulphone derivatives.Also disclosed are compounds of general formula (I) in which n is equal to 2 in the form of their B isomers, and certain novel compounds of general formula (I) in which n is equal to 2.
    Type: Grant
    Filed: April 12, 1988
    Date of Patent: September 12, 1989
    Assignee: May & Baker Limited
    Inventors: Devnandan Chatterjee, Neil V. Harris, Trevor Parker, Christopher Smith, Peter J. Warren