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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.:

US 9238780 B1

PDFFull Text
Expired
Date of Patent:
Jan. 19, 2016

Filed:

Feb. 14, 2013

Solvent extraction process for removal of naphthenic acids and calcium from low asphaltic crude oil

Applicant:

Reliance Industries Limited, Maharashtra, IN;

Inventors:

Harender Bisht, Uttarakhand, IN;

Asit Kumar Das, Faridabad, IN;

Bibeka Hazarika, Assam, IN;

Biswajit Shown, West Bengal, IN;

D. P. S. Rana, Up, IN;

Mahesh G. Marve, Maharashtra, IN;

Manthan A. Malvanker, Gujarat, IN;

Paras N. Shah, Gujarat, IN;

Rohit R. Irabatti, Maharashtra, IN;

Sukumar Mandal, Haryana, IN;

Suyog S. Salgarkar, Maharashtra, IN;

Assignee:

Reliance Industries Limited, Mumbai, IN;

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

Renee E Robinson

Assistant Examiner:

Derek Mueller

Int. Cl.
CPC ...
C10G 53/04 (2006.01); C10G 53/02 (2006.01); C10G 21/00 (2006.01); C10G 21/14 (2006.01); C10G 31/06 (2006.01); C10G 53/06 (2006.01);
U.S. Cl.
CPC ...
C10G 21/14 (2013.01); C10G 21/00 (2013.01); C10G 31/06 (2013.01); C10G 53/06 (2013.01);
Abstract

The present disclosure provides a process for obtaining extracted crude oil (ECO) which is substantially free of naphthenic acids, calcium and other impurities from low asphaltic crude oils or their residue fractions by preferential extraction of saturates using at least one solvent.

Find Patent Forward Citations

Bisht, Harender. (2016). Solvent extraction process for removal of naphthenic acids and calcium from low asphaltic crude oil (U.S. Patent No. 9238780). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9238780

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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