Herbicidal 5-amino-4-cyano-1-phenyl-pyrazoles
US4505740A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1982 |
| Grant date | Mar 19, 1985 |
| Priority date | — |
| Expiry date | Jul 15, 2002 |
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.