Method of metal chromite preparation
US3965044A · kind A · utility
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3References
14Claims
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Assignee
Inventors
Key dates
| Filing date | Aug 1, 1974 |
| Grant date | Jun 22, 1976 |
| Priority date | — |
| Expiry date | Aug 1, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C5/322
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Metal chromite dehydrogenation catalysts are made by preparing an aqueous solution of CrO.sub.3, dissolving a second metal compound, such as MgO, therein adding a reducing agent, precipitating a substantially insoluble oxide of Mg and Cr, recovering the precipitate and calcining it to produce a Mg chromite dehydrogenation catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.