Dishwashing method and detergent composition therefor
US5879469A · kind A · utility
115Cited by
0References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 6, 1997 |
| Grant date | Mar 9, 1999 |
| Priority date | — |
| Expiry date | Jan 6, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/44
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A dishwashing method is dislosed wherein two detergent compositions, one being alkalinic and the other acidic are applied in sequence onto the dishes. The liquid compositions are applied onto the dishes directly without or with only a moderate dilution such that once applied onto the dishes they input respective alkalinic and acid pH's on the surface of the dishes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.