Patent · US Expired

Certain N-3-(3-chloro-5-trifluoromethyl-pyridyl-2-oxy)-4-phenyl-N'-2,6-difluorob enzoyl ureas, pesticidal compositions and methods of use

US4677127A · kind A · utility

9Cited by
8References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 17, 1986
Grant dateJun 30, 1987
Priority date
Expiry dateJan 17, 2006

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01N47/34
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Substituted N-3-(5-trifluoromethyl-pyridyl-2-oxy)phenyl-N'-benzoylureas of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 independently of one another are each hydrogen, methyl, fluorine, chlorine or bromine, and PA0 R.sub.4 is hydrogen or chlorine, with the proviso that R.sub.3 is methyl, fluorine, chlorine or bromine when R.sub.4 is chlorine, are active substances having an insecticidal and, in particular, acaricidal action. They can be advantageously used to combat zooparasitic and phytoparasitic ectoparasites.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.