Herbicidally active phenoxy-.alpha.-phenoxy-alkanecarboxylic acid derivatives
US4394327A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 1981 |
| Grant date | Jul 19, 1983 |
| Priority date | — |
| Expiry date | May 14, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D295/088
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
3-Phenoxy-.alpha.-phenoxy-alkanecarboxylic acid derivatives of the formula ##STR1## Wherein Hal is a halogen atom, n is an integer from 1 to 3, R is an acid function and Z is hydrogen or C.sub.1 -C.sub.4 alkyl, are disclosed as possessing a surprising selective herbicidal activity. Methods are disclosed for combatting weeds in mono- and dicotyledonous cultures such as cereals, corn, rice, soya and cotton, which comprise applying to the locus to be protected from weeds a dosage of from 0.1 to 10.0 kilograms per hectare of the above compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.