Diphenyl ether herbicides
US5073192A · kind A · utility
0Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1990 |
| Grant date | Dec 17, 1991 |
| Priority date | — |
| Expiry date | Oct 2, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/87
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Phenoxy phthalide derivatives having the general formula II: ##STR1## wherein R.sub.1 represents a hydrogen or halogen atom or an alkyl or haloalkyl group; R.sub.2 and R.sub.3, which may be the same or different, each independently represents a hydrogen or halogen atom or an alkyl, haloalkyl, nitro or cyano group; R.sub.4 represents a saturated alkyl group; R.sub.5 represents an unsaturated alkyl group; and X represents an oxygen or sulphur atom, are useful as herbicides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.