Patent classifications
C
CHEMISTRY; METALLURGY
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C07
ORGANIC CHEMISTRY
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C07C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
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37/00
Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
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C07C37/68
Purification; separation; Use of additives, e.g. for stabilisation
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C07C37/72
by liquid-liquid treatment
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