Patent ID: 9567551
Date: 2017-02-14
CPC Classifications: C11D

Claim:
1. A solid rinse aid composition comprising: from about 15 wt. % to about 40 wt. % of a solid acid, wherein the solid acid includes one or more of the following: citric acid, phosphoric acid, monosodium citrate, disodium citrate, potassium citrate, monosodium tartrate, disodium tartrate, potassium tartrate, and aspartic acid; from about 65 wt. % to about 85 wt. % of one or more short chain alkyl benzene and/or alkyl naphthalene sulfonates, wherein said one or more short chain alkyl benzene and/or alkyl naphthalene sulfonates includes one or more of the following: sodium xylene sulfonate, sodium toluene sulfonate, sodium cumene sulfonate, potassium toluene sulfonate, ammonium xylene sulfonate, calcium xylene sulfonate, sodium alkyl naphthalene sulfonate, and sodium butylnaphthalene sulfonate; and one or more nonionic surfactants; wherein said solid rinse aid composition provides a use solution with a pH of less than 2, wherein said solid rinse aid promotes drying and prevents the formation of spots on a metal surface.