Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1982-04-07
1983-08-02
Mars, Howard T.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568121, C07C 4103
Patent
active
043967795
ABSTRACT:
A process for the preparation of alkanol alkoxylates, useful as nonionic surfactants, comprises steps for alkoxylating one or more alkanols having carbon number in the range from 8 to 18 by reaction with one or more alkylene oxides having carbon number in the range from 2 to 4 under alkaline pH and in the presence of one or more soluble compounds of calcium, and neutralizing the resulting alkoxylation mixture by addition thereto of an acid selected from the group consisting of propionic acid, benzoic acid, and mixtures thereof. The products are characterized by a single liquid phase of low viscosity.
REFERENCES:
patent: 3000963 (1961-09-01), Speranza
patent: 4282387 (1981-08-01), Olstowski
Mars Howard T.
Shell Oil Company
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