Patents by Inventor Rajiv Kumar Brahma

Rajiv Kumar Brahma 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).

  • Hydrocarbon fuel compositions
    Patent number: 8163042
    Abstract: The present invention relates to a hydrocarbon fuel composition comprising (i) at least 99% by weight of a base gas; and (ii) additives comprising (a) 2 to 50 ppm organometallic compound; and (b) 100 to 5000 ppm aniline or substituted aniline and 100 to 5000 ppm toluidine. The present invention discloses addition of an additive or additive mixture to base fuel preferably, liquefied petroleum gas. The addition of additive mixture not only improves the properties of the base fuel for use as torch gas for cutting and welding application, but also reduces the consumption of both fuel and oxygen for cutting applications.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: April 24, 2012
    Assignee: Bharat Petroleum Corporation Limited
    Inventors: Peddy Venkat Chalapathi Rao, Sudha Tyagi, Rajiv Kumar Brahma, Nettem Venkateswarlu Choudary, Puthiyaveetil Padmanabhan, Mohammad Amir Siddiqui
  • HYDROCARBON FUEL COMPOSITIONS
    Publication number: 20100115829
    Abstract: The present invention relates to a hydrocarbon fuel composition comprising (i) at least 99% by weight of a base gas; and (ii) additives comprising (a) 2 to 50 ppm organometallic compound; and (b) 100 to 5000 ppm aniline or substituted aniline and 100 to 5000 ppm toluidine. The present invention discloses addition of an additive or additive mixture to base fuel preferably, liquefied petroleum gas. The addition of additive mixture not only improves the properties of the base fuel for use as torch gas for cutting and welding application, but also reduces the consumption of both fuel and oxygen for cutting applications.
    Type: Application
    Filed: October 31, 2007
    Publication date: May 13, 2010
    Applicant: Bharat Petroleum Corporation Limited
    Inventors: Peddy Venkat Chalapathi Rao, Sudha Tyagi, Rajiv Kumar Brahma, Nettem Venkateswarlu Choudary, Puthiyaveetil Padmanabhan, Mohammad Amir Siddiqui