Method and a device for controlled dosing of treating compositions in washing machines
US10624523B2 · kind B2 · utility
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0References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2017 |
| Grant date | Apr 21, 2020 |
| Priority date | — |
| Expiry date | Mar 2, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L2501/07
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The present invention provides a method of dispensing a plurality of treating compositions into a multistage automatic washing machine. The method comprises operating a device in the machine. The device comprises at least two chambers. Each chamber contains a treating composition. The chambers are activated in response to input from a sensor. The device has an associated reservoir for collection of wash liquor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.