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Priority claimed from US09/757,458external-prioritypatent/US20010007910A1/en
Application filed by Invista Tech SarlfiledCriticalInvista Tech Sarl
Publication of MY140481ApublicationCriticalpatent/MY140481A/en
IMPROVE PROCESS FOR PRODUCING CARBOXYLIC ACIDS OR THEIR ESTERS BY CATALYTIC LIQUID PHASE OXIDATION OF A CORRESPONDING PRECURSOR IN A SUITABLE SOLVENT COMPRISING FEEDING THE REACTANTS TO A FIRST OXIDATION REACTION ZONE AT HIGH PRESSURE AND HIGH SOLVENT RATIO, WHEREIN UPTAKE OF OXYGEN IS LIMITED TO LESS THAN 50OF THE OXYGEN REQUIRED FOR FULL CONVERSION OF THE PRECURSOR TO ITS CORRESPONDING CARBOXYLIC ACID, AND THEN FEEDING THE RESULTING REACTION MEDIUM TO A SECOND OXIDATION REACTION ZONE.
MYPI20012968A2001-01-102001-06-22Improved process for producing carboxylic acids
MY140481A
(en)
Catalyst for use in producing lower aliphatic carboxylic acid ester, process forproducing the catalyst and process for producing lower aliphatic carboxylic aci d ester using the catalyst