FR729614A - Procédé de déphénolisation - Google Patents

Procédé de déphénolisation

Info

Publication number
FR729614A
FR729614A FR729614DA FR729614A FR 729614 A FR729614 A FR 729614A FR 729614D A FR729614D A FR 729614DA FR 729614 A FR729614 A FR 729614A
Authority
FR
France
Prior art keywords
dephenolization
dephenolization process
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koppers Co of Delaware
Original Assignee
Koppers Co of Delaware
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koppers Co of Delaware filed Critical Koppers Co of Delaware
Application granted granted Critical
Publication of FR729614A publication Critical patent/FR729614A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07C37/68—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
FR729614D 1931-01-13 1932-01-09 Procédé de déphénolisation Expired FR729614A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US729614XA 1931-01-13 1931-01-13

Publications (1)

Publication Number Publication Date
FR729614A true FR729614A (fr) 1932-07-28

Family

ID=22110838

Family Applications (1)

Application Number Title Priority Date Filing Date
FR729614D Expired FR729614A (fr) 1931-01-13 1932-01-09 Procédé de déphénolisation

Country Status (1)

Country Link
FR (1) FR729614A (fr)

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