Patent · US Expired

Selective herbicides

US4285723A · kind A · utility

24Cited by
10References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 12, 1979
Grant dateAug 25, 1981
Priority date
Expiry dateJul 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.