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Applicant:
Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bengaluru 
Title:
A Process for Identification and Separation of Xylene Isomers 
Inventor(s):
Ujjal Kam Gautam, Moumita Rana 
Applicant:
Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bengaluru 
Application type:
Granted - 2019-08-22 
Application Number:
318791 
Applied at:
India 
Entered by:
Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Bengaluru 
Abstract:
The present disclosure relates to a process for identifying presence or absence of a predetermined xylene isomer in a sample, optionally along with separating the isomer. Particularly, the present disclosure relates to a process for separation of atleast one xylene isomer from a sample, preferably separation of m-xylene from a sample comprising other isomers. The separation involves geometry sensitive supramolecular complexation of m-xylene in preference to its other isomers with fullerene, C60 forming crystals. The present disclosure also leads to identification and separation of highly pure m-xylene from its other isomers, the extraction is possible from a mixture wherein amount of m-xylene varies from 99% to at least 0.5%. The release of m-xylene from the supramolecular C60-m-xylene crystals can be accomplished by moderate heating and the left over C60 can be recycled. 

 
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