PROCEDIMIENTO PARA LA OBTENCION DE ACIDOS HIDROXICARBOXILICOS AROMATICOS

• Main Authors: GERHARD STOPP, VIKTOR TRESCHER, HORST KARKOSSA
• Format: Patent
• Language: Spanish
• Published: 28.10.1988
• Edition: 4
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

Aromatic hydroxycarboxylic acids are prepared by reacting alkali metal salts of aromatic hydroxy compounds in the solid phase with carbon dioxide in a process in which the alkali metal salt of the aromatic hydroxy compound is reacted at temperatures of 120 DEG to 300 DEG C., in the form of granules,...