Selective herbicides
US4285723A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 12, 1979 |
| Grant date | Aug 25, 1981 |
| Priority date | — |
| Expiry date | Jul 12, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C205/38
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Herbicidal diphenyl ether compounds of the formula ##STR1## wherein R.sup.1 is an alkyl group optionally substituted by halogen or phenyl; R.sup.2 is hydrogen, halogen or nitro; R.sup.3 is hydrogen, halogen, alkyl, trifluoromethyl or cyano; R.sup.4 is hydrogen, halogen, or trifluoromethyl; R.sup.5 is halogen or trifluoromethyl; and R.sup.6 is hydrogen, or C.sub.1 -C.sub.4 alkyl. These compounds are useful as selective herbicides in a range of crops, for example, cotton, soya bean, peas, maize, wheat and rice.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.