Toilet bowl cleaning tablet with uniform dissolution of components and bleaching compound
US6440915B2 · kind B2 · utility
16Cited by
24References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2001 |
| Grant date | Aug 27, 2002 |
| Priority date | — |
| Expiry date | Feb 23, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/523
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A cleaning formulation, in tablet form, capable of providing uniform delivery of cleaning agents, fragrance and colorants while immersed in a the tank of a toilet. The tablet comprises a solubility-controlling matrix of a linear alkyl benzene sulfonate, and an alkyl sulfate surfactants, a monoalkanolamide dissolution control agent, a hydroxyethylcellulose binder; and cleaning actives including a peroxygen bleach, organic and inorganic salts, and aesthetic agents to signal ongoing cleaning effectiveness
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.