Isomerization and separation of cymenes from mixtures containing

Details Isomerization and separation of cymenes from mixtures containing Isomerization and separation of cymenes from mixtures containing

1974-08-05

1976-06-08

Gantz, Delbert E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260668A, 260671P, 260672T, 260674SE, C07C 701, C07C 1502

Patent

active

039623661

ABSTRACT:
The invention concerns an improvement in the process of isomerization and separation of ortho-, meta- and para-cymenes from mixtures containing same by contacting said mixtures with HF and BF.sub.3 at low temperatures in order to form a preferential complex with the meta-cymene, said improvement comprising the steps of:

REFERENCES:
patent: 2727078 (1955-12-01), Shoemaker
patent: 2741647 (1956-04-01), McCaulay et al.
patent: 2770662 (1956-11-01), McCaulay et al.
patent: 2795632 (1957-06-01), McCaulay et al.

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