Patent · US Expired

Herbicidally active phenoxy-.alpha.-phenoxy-alkanecarboxylic acid derivatives

US4394327A · kind A · utility

2Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 1981
Grant dateJul 19, 1983
Priority date
Expiry dateMay 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.