Dishwasher detergent composition containing an anticorrosive agent
US6299701A · kind A · utility
11Cited by
2References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 1999 |
| Grant date | Oct 9, 2001 |
| Priority date | — |
| Expiry date | Mar 17, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A detergent composition containing alkali-metal silicate with an average molar ratio of SiO.sub.2 /M.sub.2 O of 1-4.2, preferably 2.5-4.2, wherein M is an alkali metal, the composition being non-corrosive to glass, crystal, porcelain and decorative prints thereon upon repeated washing. The composition being such that when disposed in a washing medium at a normal working concentration, a protonated silicic monomer Si(OH).sub.4 is produced in a concentration of at least 2.5.times.10.sup.-3 mol/liter of the washing medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.