Patents by Inventor Bhatnagar Akhilesh Kumar

Bhatnagar Akhilesh Kumar 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).

  • Extraction of aromatics from hydrocarbon oil using furfural-co-solvent extraction process
    Patent number: 6866772
    Abstract: An improved furfural extraction process for lube oil base-stock production from hydrocarbon oils containing aromatic type material by the addition of a solvent comprising of furfural and a co-solvent, said process being conducted in a continuous countercurrent extraction column that facilitates phase separation and increases the raffinate yield while maintaining the same raffinate quality measured by raffinate refractive index.
    Type: Grant
    Filed: May 31, 2001
    Date of Patent: March 15, 2005
    Assignee: Indian Oil Corporation Limited
    Inventors: Raman Naduhatty Selai, Devotta Irudayaraj, Bhaskar Mani, Venketesan Phoobalan, Rewat Bijendra Singh, Rawat Bachan Singh, Bhatnagar Akhilesh Kumar
  • Extraction of aromatics from hydrocarbon oil using furfural-co-solvent extraction process
    Publication number: 20030100813
    Abstract: An improved furfural extraction process for lube oil base-stock production from hydrocarbon oils containing aromatic type material by the addition of a solvent comprising of furfural and a co-solvent, said process being conducted in a continuous countercurrent extraction column that facilitates phase separation and increases the raffinate yield while maintaining the same raffinate quality measured by raffinate refractive index.
    Type: Application
    Filed: May 31, 2001
    Publication date: May 29, 2003
    Inventors: Raman Naduhatty Selai, Devotta Irudayaraj, Bhaskar Mani, Venketesan Phoobalan, Rewat Bijendra Singh, Rawat Bachan Singh, Bhatnagar Akhilesh Kumar