Patents by Inventor Shankar Devraj

Shankar Devraj 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).

  • Flakes of ester mixtures and methods for their production
    Patent number: 9234074
    Abstract: There is provided flakes of an ester mixture comprising bis-(hydroxyethyl)-terephthalate, dimers, tamers, tetramers, pentamers and higher oligomers of ethane-1,2-diol and terephthalate acid.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: January 12, 2016
    Assignee: PerPETual GLOBAL TECHNOLOGIES LIMITED
    Inventor: Shankar Devraj
  • FLAKES OF ESTER MIXTURES AND METHODS FOR THEIR PRODUCTION
    Publication number: 20150065680
    Abstract: There is provided flakes of an ester mixture comprising bis-(hydroxyethyl)-terephthalate, dimers, tamers, tetramers, pentamers and higher oligomers of ethane-1,2-diol and terephthalate acid.
    Type: Application
    Filed: April 18, 2013
    Publication date: March 5, 2015
    Inventor: Shankar Devraj