Patent · US Expired

Pyrazolesulfonylurea useful for controlling the growth of undesired vegetation

US4668277A · kind A · utility

10Cited by
0References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 19, 1985
Grant dateMay 26, 1987
Priority date
Expiry dateMar 19, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D231/18
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

There are disclosed a compound formula (I): ##STR1## wherein R.sup.1 represents a chlorine atom or a bromine atom; R.sup.2 represents methyl or ethyl; and X represents methyl or methoxy; a herbicidal composition containing the same as an active ingredient; and a method of use of the compound represented by formula (I) for controlling the growth of weeds without harm to crop plants in the same location.

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