Method for treating tar

Details Method for treating tar Method for treating tar

2005-11-01

2005-11-01

Shippen, Michael L. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C568S753000

Reexamination Certificate

active

06960698

ABSTRACT:
A method for treating tar separated from a liquid containing an aromatic hydroxybenzene obtained by acidolysis of a liquid containing an aromatic hydroperoxide, which comprises dissolving the tar with an alkaline aqueous solution.

REFERENCES:
patent: 2737480 (1956-03-01), Adams
patent: 4973766 (1990-11-01), Penzo
patent: 5338453 (1994-08-01), Fraina
patent: 5962751 (1999-10-01), Dyckman et al.
patent: 6025530 (2000-02-01), Dyckman et al.
patent: 6303835 (2001-10-01), Shafer et al.
patent: 2001/0025125 (2001-09-01), Noritake

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