Patents by Inventor Patit Paban Kundu

Patit Paban Kundu 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).

  • Processes for cross-linking cellulose ethers under mild conditions
    Patent number: 9024011
    Abstract: The present technology provides processes for cross-linking cellulose ethers under mild conditions. The processes include exposing a substantially dry cellulose ether film to a polyisocyanate to provide a cross-linked cellulose ether film, wherein the substantially dry cellulose ether film comprises alkoxide groups on the cellulose. The resulting cellulose ether films are highly cross-linked by polyurethane linkages and may be used as membranes in a variety of applications.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: May 5, 2015
    Assignee: University of Calcutta
    Inventors: Patit Paban Kundu, Ratan Pal Singh
  • PROCESSES FOR CROSS-LINKING CELLULOSE ETHERS UNDER MILD CONDITIONS
    Publication number: 20120095202
    Abstract: The present technology provides processes for cross-linking cellulose ethers under mild conditions. The processes include exposing a substantially dry cellulose ether film to a polyisocyanate to provide a cross-linked cellulose ether film, wherein the substantially dry cellulose ether film comprises alkoxide groups on the cellulose. The resulting cellulose ether films are highly cross-linked by polyurethane linkages and may be used as membranes in a variety of applications.
    Type: Application
    Filed: September 2, 2010
    Publication date: April 19, 2012
    Inventors: Patit Paban Kundu, Ratan Pal Singh