Patents by Inventor Bhupati Bhattacharyya

Bhupati Bhattacharyya 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).

  • Water-in-oil emulsions of amidase
    Patent number: 4786679
    Abstract: A water-in-oil emulsion, the aqueous phase of which contains Amidase. An improved method of treating water-in-oil emulsions of acrylamide polymers with Amidase to reduce the acrylamide content thereof which comprises adding the Amidase in the form of a water-in-oil emulsion.
    Type: Grant
    Filed: February 13, 1987
    Date of Patent: November 22, 1988
    Assignee: Nalco Chemical Company
    Inventors: Robert L. Wetegrove, Ralph W. Kaesler, Bhupati Bhattacharyya