Bis-azo compounds with 2,3-dichlorobenzoyl group
US5717080A · kind A · utility
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2References
8Claims
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Key dates
| Filing date | Aug 20, 1996 |
| Grant date | Feb 10, 1998 |
| Priority date | — |
| Expiry date | Aug 20, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B35/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A bis-azo compound represented by the following general formula (1), a tautomer thereof or a salt thereof: ##STR1## wherein R represents a substituted or unsubstituted phenyl group or a substituted or unsubstituted heteroaryl group and X represents a substituted or unsubstituted phenylene group. These compounds exhibit low toxicity and do not have any undesirable effect such as mutagenecity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.