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HYDROCARBURES ET DERIVES
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HYDROCARBURES ET DERIVES
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Publication of FR602437ApublicationCriticalpatent/FR602437A/fr
C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
C07C37/72—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
C07C37/005—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by obtaining phenols from products, waste products or side-products of processes, not directed to the production of phenols, by conversion or working-up
C07C37/007—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by obtaining phenols from products, waste products or side-products of processes, not directed to the production of phenols, by conversion or working-up from the tar industry
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Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
FR602437D1924-12-021924-12-02Perfectionnements aux procédés pour le déphénolage des goudrons et des huiles degoudron
ExpiredFR602437A
(fr)