Dish-washing method
US6035869A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1998 |
| Grant date | Mar 14, 2000 |
| Priority date | — |
| Expiry date | Oct 29, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Dishes are cleaned by washing them with a cleaning implement which has been charged with the detergent in a solid block made from a formulation having a water-soluble alkali metal salt content of 15-60% by weight and a surfactant content of 10-70% by weight, said surfactant comprising 15-100% by weight of at least one amine oxide corresponding to the formula RR'R"NO .multidot.nH.sub.2 O in which R and R' are independently selected from methyl, ethyl, and 2-hydroxyethyl, R" is a primary alkyl group containing 12-16 carbons, and n represents 0, 1, or 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.