Back to results
US 8,618,034 B2Granted
Concentrated surfactant compositions and methods of preparation thereof
AssigneeInnospec Limited
InventorsStephen Moss O'Connor, Phillip Lorraine Cotrell
Life of this patent
Estimating the term…
Abstract
An aqueous composition comprising: (a) an acyl isethionate of formula (I): wherein R1 is an alkyl or alkenyl group having from (7) to (21) carbon atoms and M+ a cation; and (b) an amphoteric, betaine or sultaine surfactant; wherein the weight ratio of component (a) to component (b) is more than 3:1. R1CO2CH2CH2SO3−M+ (I)
Claims10
An aqueous composition comprising:
- (a) an acyl isethionate of formula (I):
- R1CO2CH2CH2SO3−M+ (I)
- wherein R1 is an alkyl or alkenyl group having from 7 to 21 carbon atoms and M+ a cation;
- and
- (b) an amphoteric, betaine or sultaine surfactant;
- wherein the weight ratio of component (a) to component (b) is more than 3:1;
- wherein component (a) comprises at least 7.5 wt % of the composition;
- wherein component (a) and component (b) together comprise more than 20 wt % of the composition;
- wherein the composition is substantially free of taurate surfactants or comprises less than 2 wt % of taurate surfactants;
- wherein the composition is substantially free of alkanolamides or comprises less than 0.1 wt % of alkanolamides;
- wherein the composition is substantially free of alkylamine oxides or comprises less than 0.1 wt % of alkylamine oxides;
- wherein components other than water, component (a) and component (b) not present or are present in a total amount of less than 25 wt %;
- and
- wherein the composition is a flowable composition at one or more temperatures between 15° C. and 45° C.
11 more elements
Dependencies are inferred from the claim text.