3,3′-Dinitro-4,4′-hydrazofurazan and methods of preparation
US6388087B1 · kind B1 · utility
2Cited by
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7Claims
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Key dates
| Filing date | Nov 21, 2000 |
| Grant date | May 14, 2002 |
| Priority date | — |
| Expiry date | Nov 21, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D271/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The novel compound 3,3-Dinitro-4,4′-hydrozofurazan and the methods of preparation. The method of preparation 3,3-Dinitro-4,4′-hydrazofurazan which comprises partially reducing 3,3′-Dinitro-4,4′-azoxyfurazan. The method of preparing 3,3′-Dinitro-4,4′-hydrazofurazan by the partial reduction of 3,3′-Dinitro-4,4′-azofurazan.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.