Aqueous cleaner/degreaser microemulsion compositions

Details Aqueous cleaner/degreaser microemulsion compositions Aqueous cleaner/degreaser microemulsion compositions

1991-01-11

1992-10-27

Willis, Jr., Prince

Compositions

Fluent dielectric

N-containing

252547, 252529, 252162, 252171, 252172, 252173, 252DIG14, 252551, 252558, 252528, 252555, 252532, 252139, C11D 343, C11D 750, C11D 752

Patent

active

051587106

ABSTRACT:
The disclosure concerns stable, aqueous cleaner/degreaser compositions formulated in the form of true microemulsions and containing a builder component. The microemulsions comprise (a) at least one sparingly water soluble organic solvent having specified characteristics including having a water solubility in the range of approximately 0.2 to approximately 6 weight percent and being present in an amount exceeding its aqueous solubility; (b) a builder; (c) a solubilizing additive consisting of from approximately 0.1 to approximately 100 weight percent of a surfactant and from 0 to approximately 99.9 weight percent of a coupler, the solubilizing additive being present in an amount not substantially exceeding the amount required to transform the combination of the organic solvent and builder from the form of a true macroemulsion to the form of a microemulsion and less than that required to form a true solution; and (d) water.

REFERENCES:
patent: 4414128 (1983-11-01), Goffinet
patent: 4561991 (1985-12-01), Heebots et al.
patent: 4606840 (1986-08-01), Gautier et al.
patent: 4758377 (1988-07-01), Inding
patent: 4769172 (1988-09-01), Siklosi
patent: 4826618 (1989-05-01), Borseth et al.
patent: 4909962 (1990-03-01), Clark
patent: 4919839 (1990-04-01), Durbut et al.
patent: 4921629 (1990-05-01), Malihi et al.

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