Article for maintaining more even concentrations of bleach in a passive dosing dispenser
US4729880A · kind A · utility
6Cited by
11References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 1985 |
| Grant date | Mar 8, 1988 |
| Priority date | — |
| Expiry date | Apr 29, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/688
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An article for sanitizing toilets comprising a dosing dispenser with a calcium hypochlorite cake composition characterized in that the article is designed (when used) to dispense from 1 ml to 4 mls of a 5% to 15% liquid bleach over the life of the article. When in use, the article is designed to maintain a reserve of liquid bleach in the dispenser wherein the reservoir to dose volumetric ratio of 3:1 to 6:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.