Patents by Inventor KANDULA M.S REDDY

KANDULA M.S 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).

  • Heat resistant polyethylene terephthalate and a process for the preparation of the same
    Patent number: 9790321
    Abstract: The present disclosure relates to a process for preparing polyester. The process for preparing the polyester essentially involves the preparation of the isosorbide oligomer and the isosorbide polymer from the isosorbide oligomer. The isosorbide oligomer or isosorbide polymer is then co-polymerized with the polyester. The copolymerization isosorbide oligomer or isosorbide polymer may be carried out at any stage of the preparation of the polyester. The polyester obtained in accordance with the process of the present disclosure can be used in packaging applications such as preparing packaging materials or containers. The material or container obtained from the polyester of the present disclosure is capable of withstanding a temperature of 60 to 90° C. without undergoing any deformation and shrinkage. Further, the material or container obtained from the polyester of the present disclosure is transparent or has lower color b* value.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: October 17, 2017
    Assignee: ESTER INDUSTRIES LIMITED
    Inventors: Sanjay Tammaji Kulkarni, Balasundaram Dillyraj, Kandula M. S. Reddy, Chandrakant Omkar Vyas
  • HEAT RESISTANT POLYETHYLENE TEREPHTHALATE AND A PROCESS FOR THE PREPARATION OF THE SAME
    Publication number: 20160168321
    Abstract: The present disclosure relates to a process for preparing polyester. The process for preparing the polyester essentially involves the preparation of the isosorbide oligomer and the isosorbide polymer from the isosorbide oligomer. The isosorbide oligomer or isosorbide polymer is then co-polymerized with the polyester. The copolymerization isosorbide oligomer or isosorbide polymer may be carried out at any stage of the preparation of the polyester. The polyester obtained in accordance with the process of the present disclosure can be used in packaging applications such as preparing packaging materials or containers. The material or container obtained from the polyester of the present disclosure is capable of withstanding a temperature of 60 to 90° C. without undergoing any deformation and shrinkage. Further, the material or container obtained from the polyester of the present disclosure is transparent or has lower color b* value.
    Type: Application
    Filed: May 21, 2014
    Publication date: June 16, 2016
    Inventors: SANJAY TAMMAJI KULKARNI, BALASUNDARAM DILLYRAJ, KANDULA M.S REDDY, CHANDRAKANT OMKAR VYAS