Solid fast draining/drying rinse aid for high total dissolved solid water conditions
AssigneeEcolab USA Inc.
InventorsXin Sun, Derrick Anderson, Kelsey West, Janel Marie Kieffer, Victor Fuk-Pong Man, Melissa Hunter
Life of this patent
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Abstract
The invention includes a solid rinse aid that is particularly designed for pressed or extrusion solid formation and which is effective for spotless surfaces after rinsing, especially rinsing metals without corrosion. According to the invention, a solid acid is combined with a short-chain alkylbenzene and alkyl naphthalene sulfonate. The short-chain alkylbenzene and alkyl naphthalene sulfonate act as a solidification agent as well as a hydrotrope, and total dissolved solid (TDS) active and are combined with at least one nonionic low foaming surfactant.
Claims15
A solid rinse aid composition comprising:
- from about 25 wt. % to about 40 wt. % of a solid acid, wherein the solid acid includes one or more of lactic acid, gluconic acid, citric acid, tartaric acid, phosphoric acid, maleic acid, aspartic acid, and mixtures thereof;
- from about 55 wt. % to 80 wt. % of one or more short chain alkyl benzene and/or alkyl naphthalene sulfonates;
- and one or more nonionic surfactants;
- wherein said solid rinse aid composition provides a use solution with a pH of less than 2.
Dependencies are inferred from the claim text.