Lavatory block compositions
US7511004B2 · kind B2 · utility
6Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2006 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | May 23, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/523
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Improved treatment blocks useful in the treatment of lavatory appliances, particularly toilets are provided. The improved treatment blocks are solid block compositions which provide an extended service life, particularly when used in an ITB device. Methods of producing the solid block composition and treatment blocks therefrom, as well as methods of use are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.