Methods of using a soil release polymer in a neutral or low alkaline prewash
US9890350B2 · kind B2 · utility
4Cited by
20References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2015 |
| Grant date | Feb 13, 2018 |
| Priority date | — |
| Expiry date | Feb 12, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/44
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides methods of cleaning including the use of a soil release polymer. In some embodiments, the soil release polymer can be included in a neutral to low alkalinity prewash or main wash that is substantially free of hydroxide-based alkalinity. In some embodiments, the soil release polymer can be included in a neutral to low alkalinity prewash that is substantially free of hydroxide-based alkalinity, followed by an alkaline main wash with any alkalinity source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.