Toilet bowl detergent system containing blooming perfume
US6001789A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 18, 1998 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | Feb 18, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0056
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Toilet bowl detergent compositions, preferably blocks of the "in-tank" or "rim-block" types, contain from about 0.1% to about 10% of a blooming perfume composition comprising blooming perfume ingredients selected from the group consisting of: ingredients having a boiling point of less than about 260.degree. C. and a ClogP of at least about 3, and wherein said perfume composition comprises at least 5 different blooming perfume ingredients, a cleaning system comprising: detergent surfactant preferably of the amphoteric type, more preferably zwitterionic, even more preferably one that contains a carboxylate group and a cationic group, and even more preferably a fatty acid amidoalkylene betaine, and detergent builder, preferably polycarboxylate chelating agent, more preferably, citric acid, or similar polycarboxylic acid, are combined with some means of creating the desired concentration of the cleaning system in the toilet bowl water, preferably by means of blocks with a dissolution retarding system, preferably with the dissolution retarding system comprising a combination of water soluble cellulosic polymer, more preferably hydroxyethyl cellulose or hydroxypropyl cellulose and, polye…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.