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US 11,377,626 B2Granted
Solid enzymatic detergent compositions and methods of use and manufacture
AssigneeEcolab USA Inc.
InventorsErik C. Olson, David Riehm, Carter M. Silvernail, Olivia N. L. Finster, Michael S. Rischmiller, Timothy Meier
Life of this patent
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Abstract
The present disclosure relates to a solid, enzymatic detergent compositions and methods of making and using the same. In a preferred embodiment, the detergent compositions are particularly useful for cleaning medical and dental instruments. In a preferred embodiment the compositions are particularly use for cleaning ware.
Claims23
A solid detergent composition comprising:
- a solidification matrix comprising an alkali metal carbonate and between about 12 wt. % and about 50 wt. % of an acid based on the weight of the composition, wherein the acid has an aqueous solubility of between 0.1 and 1500 g/L at 20° C., and wherein the acid is a polycarboxylic acid comprising adipic acid, glutamic acid, citric acid, isocitric acid, glutaric acid, malic acid, propane-1,2,3-tricarboxylic acid, succinic acid, tartaric acid, salts of the foregoing, or a mixture thereof;
- an enzyme;
- and
- a surfactant, wherein the surfactant is a nonionic surfactant, amphoteric surfactant, or a mixture thereof;
- wherein the composition is substantially free of added water and fatty acids;
- and
- wherein upon dilution the composition provides a pH of between about 6 and about 10;
- wherein the solid is a cast solid, extruded solid, molded solid, a powder, or pressed solid.
5 more elements
A solid detergent composition comprising:
- a solidification matrix comprising an alkali metal carbonate and a polycarboxylic acid or salt thereof, wherein the polycarboxylic acid has aqueous solubility between 0.1 and 1500 g/L at 20° C., wherein the alkali metal carbonate is between about 15 wt. % and about 75 wt. % of the composition, and wherein the polycarboxylic acid is between about 15 wt. % and about 50 wt. % of the composition, and wherein the polycarboxylic acid has between 2 and 4 carboxyl groups;
- between about 0.1 wt. % and about 25 wt. % of an enzyme;
- and
- between about 0.5 wt. % and about 25 wt. % of a surfactant, wherein the surfactant is a nonionic surfactant, amphoteric surfactant, or a mixture thereof;
- wherein the composition is substantially free of added water and fatty acids;
- and
- wherein upon dilution the composition provides a pH of between about 6 and about 10;
- and
- wherein the composition is a cast solid, extruded solid, molded solid, a powder, or pressed solid.
6 more elements
Dependencies are inferred from the claim text.