Patents by Inventor Kandula Muniswamy Reddy

Kandula Muniswamy Reddy 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).

  • Sulfonated co-polyesters and method for manufacturing
    Patent number: 9745415
    Abstract: A method of forming a polymer includes polymerizing a first pre-polymer, produced by the reaction of a dicarboxylic acid, or ester thereof with a first alkylene diol; with a second pre-polymer produced by the reaction of an aromatic sulfonate or a salt thereof, or ester thereof, with a second alkylene diol; to form a metal sulfonate co-polymer; reacting the metal sulfonate co-polymer with a fast crystallizing polyester block having a degree of polymerization of at least about 20 to provide an amorphous sulfonated co-polyester; and crystallizing the amorphous sulfonated co-polyester to form a crystallized sulfonated co-polyester.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: August 29, 2017
    Assignee: ESTER INDUSTRIES LIMITED
    Inventors: Sanjay Kulkarni, Dilly Raj, Kandula Muniswamy Reddy, Chandrakant Onkar Vyas
  • SULFONATED CO-POLYESTERS AND METHOD FOR MANUFACTURING
    Publication number: 20150240030
    Abstract: A method of forming a polymer includes polymerizing a first pre-polymer, produced by the reaction of a dicarboxylic acid, or ester thereof with a first alkylene diol; with a second pre-polymer produced by the reaction of an aromatic sulfonate or a salt thereof, or ester thereof, with a second alkylene diol; to form a metal sulfonate co-polymer; reacting the metal sulfonate co-polymer with a fast crystallizing polyester block having a degree of polymerization of at least about 20 to provide an amorphous sulfonated co-polyester; and crystallizing the amorphous sulfonated co-polyester to form a crystallized sulfonated co-polyester.
    Type: Application
    Filed: October 29, 2014
    Publication date: August 27, 2015
    Inventors: Sanjay Tammaji Kulkarni, Dilly Raj, Kandula Muniswamy Reddy, Chandrakant Onkar Vyas