Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1983-09-01
1985-03-19
Trousof, Natalie
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
203 18, 203 19, 203 38, 203 53, 2604109R, 502171, 560 1, 560 78, 560 79, 560103, 560 89, 560 94, 560106, 560107, 560108, 560121, 560122, 560123, 560124, 560191, 560193, 560194, 560204, 560265, 560218, C07C 6748, C07C 6708
Patent
active
045060916
ABSTRACT:
A process for preparing esters which comprises reacting a polycarboxylic acid with an excess of alcohol and in the presence of an organotitanate catalyst, treating the crude mixture with a suitable chelate compound, removing the unreacted alcohol and hydrolyzing the treated titanium catalyst residues with steam, and recovering the purified ester by filtration.
REFERENCES:
patent: 3056818 (1962-10-01), Werber
patent: 4216337 (1980-08-01), Baba et al.
patent: 4284793 (1981-08-01), Sagara et al.
Clarke Vera C.
Trousof Natalie
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