Patents by Inventor Rintu Banerjee

Rintu Banerjee 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 gallic acid by co-culture
    Patent number: 7118882
    Abstract: A process for the preparation of gallic acid using co-culture comprising providing a tannin-rich mixed substrate and a culture medium in fluid communication with each other, adding an induced innoculum comprising the fungi Rhizopus oryzae and Aspergillus foetidus to the substrate to obtain a fermented mass and gallic acid, extracting the gallic acid from the culture medium and the fermented mass using an organic solvent followed by evaporation of the organic solvent to obtain gallic acid.
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: October 10, 2006
    Assignee: Indian Institute of Technology an Indian Institute of Kharagpur
    Inventors: Rintu Banerjee, Gargi Mukherjee
  • Process for the preparation of gallic acid by co-culture
    Publication number: 20040253694
    Abstract: A process for the preparation of gallic acid using co-culture comprising providing a tannin-rich mixed substrate and a culture medium in fluid communication with each other, adding an induced innoculum comprising the fungi Rhizopus oryzae and Aspergillus foetidus to the substrate to obtain a fermented mass and gallic acid, extracting the gallic acid from the culture medium and the fermented mass using an organic solvent followed by evaporation of the organic solvent to obtain gallic acid.
    Type: Application
    Filed: August 5, 2004
    Publication date: December 16, 2004
    Inventors: Rintu Banerjee, Gargi Mukherjee