Lavatory cleansing blocks
US5711920A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1995 |
| Grant date | Jan 27, 1998 |
| Priority date | — |
| Expiry date | Jun 6, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/72
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A solid lavatory cleaning block is formed of a composition comprising a mixture of (A) a surface active component comprising one or more anionic surface active agents; (B) a chlorine release agent component consisting of one or more chlorinated cyanuric acid derivatives; and (C) a source of barium, cadmium, calcium, copper, iron, magnesium, manganese or nickel ions. In order that the invention may be well understood the following examples are given by way of illustration only.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.