Patent · US Active

Dimensionally stable solid rinse aid

US7521412B2 · kind B2 · utility

14Cited by
27References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 25, 2007
Grant dateApr 21, 2009
Priority date
Expiry dateMay 25, 2027

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC11D1/72
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention is a solid rinse aid composition and methods of making and using the same. The solid rinse aid composition generally includes sodium sulfate and urea as solidification agents and an effective amount of an alcohol ethoxylate compound sheeting agent component and an effective amount of defoamer component. The solid rinse aid composition may also incorporate a preservative system including sodium bisulfate. The solid rinse aid composition may be phosphate-free, aminocarboxylate-free, and GRAS if desired.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.