Patents by Inventor Ravi B. Kumar

Ravi B. 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).

  • Process for removal of metals from oils/fats
    Patent number: 8802879
    Abstract: The invention describes process for demetallation of vegetable oils and animal fats to reduce metal content below 1 ppm to make them suitable for hydroprocessing feedstocks. The process comprises acid treatment with very low concentration of acids, utilizing synergistic effect of phosphoric acid and citric acid, followed by counter-current treatment with clay without intermediate step of water washing and treatment with ion exchange resin.
    Type: Grant
    Filed: July 4, 2011
    Date of Patent: August 12, 2014
    Assignee: Indian Oil Corporation Ltd.
    Inventors: Sarvesh Kumar, Ravi B. Kumar, Alok Sharma, Brijesh Kumar, Surbhi Semwal, Ajay Kumar Arora, Suresh Kumar Puri, Saeed Ahmed, Vivekanand Kagdiyal, Santanam Rajagopal, Ravinder Kumar Malhotra, Anand Kumar
  • PROCESS FOR REMOVAL OF METALS FROM OILS/FATS
    Publication number: 20130197251
    Abstract: The invention describes process for demetallation of vegetable oils and animal fats to reduce metal content below 1 ppm to make them suitable for hydroprocessing feedstocks. The process comprises acid treatment with very low concentration of acids, utilizing synergistic effect of phosphoric acid and citric acid, followed by counter-current treatment with clay without intermediate step of water washing and treatment with ion exchange resin.
    Type: Application
    Filed: July 4, 2011
    Publication date: August 1, 2013
    Applicant: INDIAN OIL CORPORATION LTD.
    Inventors: Sarvesh Kumar, Ravi B. Kumar, Alok Sharma, Brijesh Kumar, Surbhi Semwal, Ajay Kumar Arora, Suresh Kumar Puri, Saeed Ahmed, Vivekanand Kagdiyal, Santanam Rajagopal, Ravinder Kumar Malhotra, Anand Kumar