Dimensionally stable solid rinse aid
US7521412B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 25, 2007 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | May 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.