Aqueous solutions for obtaining metals by reductive deposition
US6183545A · kind A · utility
61Cited by
7References
12Claims
0Family size
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Key dates
| Filing date | Jun 28, 1999 |
| Grant date | Feb 6, 2001 |
| Priority date | — |
| Expiry date | Jun 28, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An aqueous solution for the reductive deposition of metals comprising, besides water, PA1 (A) a phosphine of the general formula (1) ##STR1## PA1 in which R.sub.1, R.sub.2, and R.sub.3 denote lower alkyl groups, at least one of which being hydroxy-or amino-substituted lower alkyl group, and PA1 (B) a soluble compound of a metal or a compound of a metal solubilized through the formation of a soluble complex by said phosphine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.