Corrosion inhibited copper nitrate solutions
US4462830A · kind A · utility
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2Claims
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Key dates
| Filing date | Aug 4, 1983 |
| Grant date | Jul 31, 1984 |
| Priority date | — |
| Expiry date | Aug 4, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F11/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A non-corrosive aqueous solution of a copper nitrate which contains at least 30% by weight of copper nitrate, from 1-5% by weight of boric acid based on the weight of the copper nitrate, and from 0.2-3.0% by weight of EDTA based on the weight of the copper nitrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.