Use of copolymers, containing alkylene oxide units, as deposit inhibitor additives in the rinsing process of a dishwater
US7530360B2 · kind B2 · utility
2Cited by
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18Claims
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Key dates
| Filing date | Oct 23, 2004 |
| Grant date | May 12, 2009 |
| Priority date | — |
| Expiry date | Jul 25, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0091
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Use of copolymers comprising alkylene oxide units and comprising, in randomly or blockwise copolymerized form, in which the variables have the following meanings:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.