Patents by Inventor Biddanda Umesh Achia

Biddanda Umesh Achia 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).

  • Mass spectrometric multivariate analysis
    Patent number: 6534318
    Abstract: This invention relates to the selection of a crude oil or crude oil blend for the production of high-performing paving asphalt based on molecular composition of the asphalt and of the parent crude oil or crude oil blend based, at least in part, on high resolution mass spectrometric measurements and relationships to rheological properties.
    Type: Grant
    Filed: December 13, 2001
    Date of Patent: March 18, 2003
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Stilianos George Roussis, Barbara Joanne Shannon, Biddanda Umesh Achia, Olga Puzic
  • Mass spectrometric multivariate analysis
    Publication number: 20020151083
    Abstract: This invention relates to the selection of a crude oil or crude oil blend for the production of high-performing paving asphalt based on molecular composition of the asphalt and of the parent crude oil or crude oil blend based, at least in part, on high resolution mass spectrometric measurements and relationships to rheological properties.
    Type: Application
    Filed: December 13, 2001
    Publication date: October 17, 2002
    Inventors: Stilianos George Roussis, Barbara Joanne Shannon, Biddanda Umesh Achia, Olga Puzic
  • Method for enhancing asphalt properties
    Patent number: 6258255
    Abstract: The invention relates to a method for making an asphalt product having an enhanced flash point and lower volatility, comprising vacuum distilling a blend of a high boiling petroleum fraction having an initial boiling point of at least 270° C. and a crude to produce a product asphalt having a flash of from 265° C. to 300° C.
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: July 10, 2001
    Assignee: Exxon Research and Engineering Company
    Inventors: Mary Josephine Gale, Lyle Edwin Moran, James David Bell, Biddanda Umesh Achia