Patents by Inventor Varun Ratta

Varun Ratta 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).

  • High clarity, high stiffness films
    Patent number: 8092920
    Abstract: A multi-layer heat film having at least three layers is disclosed wherein the film has high optical properties, high stiffness and desirable shrinkage in the cross direction. The inner layer, or layers, comprises at least one stiffening polymer selected from the group consisting of: low density polyethylene, linear low density polyethylene, high density polyethylene, blends thereof, polypropylene random copolymer, styrene/butadiene copolymer, polystyrene/butadiene copolymer, polystyrene, ethylene-vinyl acetate copolymer and cyclic-olefin copolymer, provided that when more than one inner layer is present, the inner layers can be the same or different.
    Type: Grant
    Filed: August 14, 2003
    Date of Patent: January 10, 2012
    Assignee: Dow Global Technologies LLC
    Inventors: Jose V. Saavedra, Rajen Patel, Varun Ratta
  • Porous Films
    Publication number: 20080102233
    Abstract: The present invention relates to porous or breathable film compositions and processes for producing such compositions. The porous or breathable films preferably comprise a polyolefin. Said films are useful in many applications including bags for packaging cement.
    Type: Application
    Filed: May 20, 2004
    Publication date: May 1, 2008
    Inventors: Staci A. DeKunder, Varun Ratta, Kalyan Schanobish, James B. Crim
  • High clarity, high stiffness films
    Publication number: 20060057410
    Abstract: A multi-layer heat film having at least three layers is disclosed wherein the film has high optical properties, high stiffness and desirable shrinkage in the cross direction. The inner layer, or layers, comprises at least one stiffening polymer selected from the group consisting of: low density polyethylene, linear low density polyethylene, high density polyethylene, blends thereof, polypropylene random copolymer, styrene/butadiene copolymer, polystyrene, ethylene-vinyl acetate copolymer and cyclic-olefin copolymer, provided that when more than one inner layer is present, the inner layers can be the same or different.
    Type: Application
    Filed: August 14, 2003
    Publication date: March 16, 2006
    Inventors: Jose Saavedra, Rajen Patel, Varun Ratta