Stain removal method using granular detergent composition comprising magnesium salt
US4502986A · kind A · utility
5Cited by
1References
5Claims
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Key dates
| Filing date | Jul 13, 1984 |
| Grant date | Mar 5, 1985 |
| Priority date | — |
| Expiry date | Jul 13, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/364
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Built granular detergent compositions containing from 0.015% to 0.2%, based on weight of magnesium, of a water-soluble magnesium salt and 0.05% to 0.4% (acid basis) of ethylenediaminetetra(methylene phosphonic acid), diethylenetriamine penta(methylene phosphonic acid) or water-soluble salts thereof. The compositions deliver improved detergency at low wash temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.