Patent · US Expired

Herbicidal 5-amino-4-cyano-1-phenyl-pyrazoles

US4505740A · kind A · utility

6Cited by
1References
43Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 15, 1982
Grant dateMar 19, 1985
Priority date
Expiry dateJul 15, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C255/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

New N-phenylpyrazole derivatives of the formula: ##STR1## (wherein R.sup.12 represents a chlorine atom, R.sup.13 represents a hydrogen, fluorine or chlorine atom, R.sup.14 represents a hydrogen or fluorine atom and R.sup.15 represents a hydrogen, fluorine or chlorine atom, with the proviso that when R.sup.14 represents a fluorine atom, R.sup.15 represents a fluorine or chlorine atom, or R.sup.12, R.sup.13 and R.sup.15 each represents a fluorine atom and R.sup.14 represents a hydrogen or fluorine atom) possess useful herbicidal properties.

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