Patents by Inventor Ravindra Tryambak Wani

Ravindra Tryambak Wani 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).

  • Patent number: 11286353
    Abstract: The present invention provide a polyester masterbatch comprising: at least one dicarboxylic acid or ester thereof; at least one diol; at least one high molecular weight polyalkylene glycol up to 60%; optionally DMSIP/SIPA up to 40%; at least one antioxidant up to 1.0%; and at least one or more additives up to 20%; which provides an environment friendly, cost effective, superior and easy dye ability solution for various polyesters.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: March 29, 2022
    Inventors: Sanjay Tammaji Kulkarni, Balasundaram Dillyraj, Chandrakant Omkar Vyas, Ram Gopal Parasrampuria, Ravindra Tryambak Wani
  • Publication number: 20190256669
    Abstract: The present invention provide a polyester masterbatch comprising: at least one dicarboxylic acid or ester thereof; at least one diol; at least one high molecular weight polyalkylene glycol up to 60%; optionally DMSIP/SIPA up to 40%; at least one antioxidant up to 1.0%; and at least one or more additives up to 20%; which provides an environment friendly, cost effective, superior and easy dye ability solution for various polyesters.
    Type: Application
    Filed: December 14, 2016
    Publication date: August 22, 2019
    Applicant: Ester Industries Ltd.
    Inventors: Sanjay Tammaji Kulkarni, Balasundaram Dillyraj, Chandrakant Omkar Vyas, Ram Gopal Parasrampuria, Ravindra Tryambak Wani