No-scrub cleaning method
AssigneeS. C. Johnson & Son, Inc.
InventorsRobert C. Anderle, Robert F. Schwarz
Life of this patent
Estimating the term…
Abstract
Aqueous cleaning compositions having a minimum film-forming temperature of at least 30.degree. C. and comprising a polymer having a glass transition temperature of at least 35.degree. C. and a metal salt, form a tacky film after being applied to a soiled substrate. Soil adheres to the tacky film which, as a result of the drying of said composition, fractures to form a removable residue. Soil is removed from the substrate together with the residue. This method requires no scrubbing when cleaning soiled substrates with said aqueous cleaning compositions.
Claims10
A process for cleaning a soiled substrate, said process consisting essentially of the sequential steps of (1) applying to said substrate an aqueous cleaning composition having a minimum film-forming temperature of at least 30.degree. C. consisting essentially of from about 1 to about 50 percent, by weight, of a polymer having a glass transition temperature of at least 35.degree. C. selected from the group consisting of co-polymers of at least one acid monomer and at least one soft monomer, co-polymers of at least one acid monomer and at least one hard monomer, and co-polymers of at least one acid monomer and a mixture of hard and soft monomers, from about 0.1 to about 5 percent by weight of a metal salt selected from salts of zinc, cadmium, copper, nickel, cobalt, zirconium, chromium, manganese, calcium and mixtures thereof and from 98.9 to 45 percent, by weight, water;
- (2) allowing said composition to form a tacky film to which soil adheres;
- (3) allowing said composition to dry whereby, as a result of said drying, said film fractures to form a removable residue;
- and (4) removing said residue and soil from said substrate.
Dependencies are inferred from the claim text.