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:
Jul. 07, 2020
Filed:
Jan. 18, 2017
Indian Oil Corporation Limited, Bandra (East), Mumbai, IN;
Prakash Bhagwant Bhalavi, Faridabad, IN;
Irudayaraj Devotta, Faridabad, IN;
Naduhatty Selai Raman, Faridabad, IN;
Brijesh Kumar, Faridabad, IN;
Biswapriya Das, Faridabad, IN;
INDIAN OIL CORPORATION LIMITED, Mumbai, IN;
Abstract
The invention relates to the production of High purity n-hexane from low value stream such as raffinate from benzene extraction unit in crude oil refineries employing extractive distillation. The present invention further related to an extractive distillation employing an organic solvent having comparable or same Hansen dispersive force parameter (δ) of that of the key component of to be separated through extractive distillation. The present invention is useful for separating and isolating pure cyclohexane, pure methylcyclopentane and pure iso-heptane along with the pure n-hexane.