BE427636A - - Google Patents

Info

Publication number
BE427636A
BE427636A BE427636DA BE427636A BE 427636 A BE427636 A BE 427636A BE 427636D A BE427636D A BE 427636DA BE 427636 A BE427636 A BE 427636A
Authority
BE
Belgium
Prior art keywords
phenols
fractions
low
treatment
formaldehyde
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE427636A publication Critical patent/BE427636A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/86Purification; separation; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/685Processes comprising at least two steps in series
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/82Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by solid-liquid treatment; by chemisorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE427636D BE427636A (cs)

Publications (1)

Publication Number Publication Date
BE427636A true BE427636A (cs)

Family

ID=88169

Family Applications (1)

Application Number Title Priority Date Filing Date
BE427636D BE427636A (cs)

Country Status (1)

Country Link
BE (1) BE427636A (cs)

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