Patent · US Expired

Heterocyclic sulfonamides

US4999044A · kind A · utility

1Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 12, 1989
Grant dateMar 12, 1991
Priority date
Expiry dateJul 12, 2009

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01N43/90
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Sulfonamides of the general formula I ##STR1## where A, n, R.sup.1, R.sup.2, R.sup.3, W, X, Y and Z have the meanings given in the disclosure and claims, salts and N-oxides thereof, and their use as herbicidal agents.

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