Patent · US Expired

Herbicidal method using 2-sulfinyl or 2-sulfonyl pyridine N-oxide derivatives

US4019893A · kind A · utility

4Cited by
6References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 17, 1975
Grant dateApr 26, 1977
Priority date—
Expiry dateMar 17, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D213/89
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Preemergence or postemergence control of weeds is effected by applying certain 2-sulfinyl or 2-sulfonyl pyridine N-oxide derivatives, e.g., 2-(4-chlorophenylmethylsulfonyl)pyridine N-oxide.

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