4-Trifluoromethylphenylhydrazinomethylene-malononitriles
US4541963A · kind A · utility
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Key dates
| Filing date | Nov 14, 1984 |
| Grant date | Sep 17, 1985 |
| Priority date | — |
| Expiry date | Nov 14, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C255/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New N-phenylpyrazole derivatives of the formula: ##STR1## (wherein R.sup.12 represents a chlorine atom, R.sup.13 represents a hydrogen, fluorine or chlorine atom, R.sup.14 represents a hydrogen or fluorine atom and R.sup.15 represents a hydrogen, fluorine or chlorine atom, with the proviso that when R.sup.14 represents a fluorine atom, R.sup.15 represents a fluorine or chlorine atom, or R.sup.12, R.sup.13 and R.sup.15 each represents a fluorine atom and R.sup.14 represents a hydrogen or fluorine atom) possess useful herbicidal properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.