Dishwashing composition
US4992195A · kind A · utility
22Cited by
1References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 1988 |
| Grant date | Feb 12, 1991 |
| Priority date | — |
| Expiry date | Aug 10, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3956
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
There is disclosed stable aqueous slurry automatic dishwasher detergent compositions comprising a chlorine bleaching agent and a dual function bleach stabilizer and anticorrosion agent comprising sulfamic acid, or its water soluble salts. Such formulations containing a molar ratio of at least about 0.5:1 sulfamic acid/bleaching agent provides protection against corrosion of silver metal and stabilizes bleach in the detergent composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.