Aqueous cleaner/degreaser microemulsion compositions

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

Filed on

1991-01-11

Date issued

1992-10-27

Examiner

Willis, Jr., Prince

Patent Class

Compositions

SubClass

Fluent dielectric

SubSubClass

N-containing

Other Related Categories

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

Type

Patent

Status

active

Patent number

051587106

Description

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:
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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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