Detersive system with an improved hardness ion complexing agent
US4971714A · kind A · utility
40Cited by
30References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1988 |
| Grant date | Nov 20, 1990 |
| Priority date | — |
| Expiry date | Nov 30, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0017
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An improved softening agent dispersed in an aqueous detergent comprising droplets having an exterior organic phase containing a complexing agent and an inner aqueous phase comprising an acid or salt. The ability of the softening agent to remove hardness ions is improved by a novel complexing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.