Compartmented product for dispensing treatment agents in a washing or dishwashing machine
US4776455A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1987 |
| Grant date | Oct 11, 1988 |
| Priority date | — |
| Expiry date | Mar 6, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/046
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A multicompartment sachet product for delivering treatment agents to the washing machine or dishwasher comprises a first compartment capable of releasing its contents (solid or liquid) within 3 minutes from the start of the wash process, and a second compartment of water-permeable material provided with a pore-occluding coating and/or in the form of a sachet within a sachet so that release of its contents (powder) is delayed for at least 5 minutes from the restart of the wash process and/or retarded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.