Methods of producing and reserving alkylene glycol monosorbates

Details Methods of producing and reserving alkylene glycol monosorbates Methods of producing and reserving alkylene glycol monosorbates

1990-03-01

1991-05-21

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560 4, C07C 6726

Patent

active

050177206

ABSTRACT:
The invention provides a method of producing alkylene glycol monosorbates which comprises reacting sorbic acid and an alkylene oxide having 2 to 4 carbon atoms in a certain system containing a solvent inactive to the alkylene glycol monosorbates, one or more iron catalysts and one or more compounds consisting of phenothiazines and alkylphenols, washing the obtained synthesized liquid with an aqueous (bi)carbonate solution, and then purifying the washed liquid by distillation, and a method of reserving the alkylene glycol monosorbates.

REFERENCES:
patent: 3280176 (1966-10-01), Meier et al.

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