Method of preventing precipitation of metal compounds
US4724083A · kind A · utility
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11Claims
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Key dates
| Filing date | May 15, 1987 |
| Grant date | Feb 9, 1988 |
| Priority date | — |
| Expiry date | May 15, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F5/10
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method for inhibiting the precipitation under alkaline conditions of metal compounds from a solution containing them by the step of adding dimethylolpropionic acid in metal precipitation-inhibiting amounts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.