Patents by Inventor V.K. Chhatwal

V.K. Chhatwal 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).

  • POLYPOUCH FOR PACKAGING OF SUPERIOR KEROSENE OIL
    Publication number: 20090304959
    Abstract: The present invention relates to a novel polypouch for packaging of mineral oils. Said polypouch is made up of multilayered polymeric sheet or film of different inventive thicknesses by co-extruded unique combination of low density polyethylene, nylon and adhesive resin resulting in negligible permeation loss of packed mineral oils e.g. kerosene oil.
    Type: Application
    Filed: October 3, 2007
    Publication date: December 10, 2009
    Inventors: Umish Srivastava, Mahender Singh Negi, V.K. Chhatwal, B.S. Rawat, Ram Prakash Verma