Method for preparing nickel hypophosphite
US6030593A · kind A · utility
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2References
4Claims
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Assignee
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Key dates
| Filing date | Aug 19, 1998 |
| Grant date | Feb 29, 2000 |
| Priority date | — |
| Expiry date | Aug 19, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B25/165
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Nickel hypophosphite is prepared by ion exchange on a carboxylic between nickel sulphate and hypophosphorous acid. The product thus obtained, both in the form of an aqueous solution and of a crystalline salt, is intended in particular for the preparation of chemical nickel plating baths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.