Patents by Inventor Purbita Ray

Purbita Ray 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).

  • Method and culture for inhibiting undesired microorganisms with culture of Bacillus subtilis
    Patent number: 5919695
    Abstract: An atypical Bacillus subtilis strain NRRL B-21974 from Pozol, a Mexican beverage, is used in controlling molds and other spoilage flora in various materials, particularly foods including dough, tortillas, moist grains and cheese. The Bacillus subtilis strain can be used in living or non-living form in the materials. The materials can include packaging for foods.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: July 6, 1999
    Assignees: Quest International, B.V., Regents of the University of Minnesota
    Inventors: Ebenezer R. Vedamuthu, Barbara J. Holler, Petronella A. P. Vlegels, Jeffrey K. Kondo, Declan MacFadden, Larry L. McKay, Daniel J. O'Sullivan, Purbita Ray, Carla Gabriela Sanchez-Fernandez