Cleaning tablets comprising sulfamic acid
US6589924B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2001 |
| Grant date | Jul 8, 2003 |
| Priority date | — |
| Expiry date | Sep 13, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0073
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Cleaning tablets made from a cleaning composition comprising15-80% by weight of sulfamic acid having a particle size of from 0.4 to 1.4 mm5-60% by weight of citric acid powder10-30% by weight of sodium carbonate2-10% by weight of a tabletting additiveup to 5% by weight of a tensideup to 10% by weight of an additive selected from the group consisting of disinfectants and bleeching agentsup to 7% by weight of a disintegrating agent andup to 5% by weight of conventional additives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.