The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 12, 2014
Filed:
Jul. 04, 2011
Sarvesh Kumar, Faridabad, IN;
Ravi B. Kumar, Faridabad, IN;
Alok Sharma, Faridabad, IN;
Brijesh Kumar, Faridabad, IN;
Surbhi Semwal, Faridabad, IN;
Ajay Kumar Arora, Faridabad, IN;
Suresh Kumar Puri, Faridabad, IN;
Saeed Ahmed, Faridabad, IN;
Vivekanand Kagdiyal, Faridabad, IN;
Santanam Rajagopal, Faridabad, IN;
Ravinder Kumar Malhotra, Faridabad, IN;
Anand Kumar, Faridabad, IN;
Sarvesh Kumar, Faridabad, IN;
Ravi B. Kumar, Faridabad, IN;
Alok Sharma, Faridabad, IN;
Brijesh Kumar, Faridabad, IN;
Surbhi Semwal, Faridabad, IN;
Ajay Kumar Arora, Faridabad, IN;
Suresh Kumar Puri, Faridabad, IN;
Saeed Ahmed, Faridabad, IN;
Vivekanand Kagdiyal, Faridabad, IN;
Santanam Rajagopal, Faridabad, IN;
Ravinder Kumar Malhotra, Faridabad, IN;
Anand Kumar, Faridabad, IN;
Indian Oil Corporation Ltd., Kolkata, IN;
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.