Patent · US Expired

Herbicidal thiophenesulfonamides

US4398939A · kind A · utility

32Cited by
3References
41Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 4, 1981
Grant dateAug 16, 1983
Priority date
Expiry dateMay 4, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D333/34
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

This invention covers thiophenesulfonylureas of Formula I, agriculturally suitable compositions containing them, and their method-of-use as general and/or selective preemergent and/or postemergent herbicides or plant growth regulants. The compound N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]-3-chloro-2-thiophenesu lfonamide is typical of this cla

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