Patent · US Expired

Sulfonamide and herbicide containing the same as active ingredient

US4971620A · kind A · utility

7Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 27, 1989
Grant dateNov 20, 1990
Priority date
Expiry dateJan 27, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C311/17
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Disclosed herein is a sulfonamide compound represented by the formula (I): ##STR1## wherein A represents a phenyl group which may be substituted, B represents a phenyl group which may be substituted, R represents a lower alkyl group, a lower alkoxy group or a lower haloalkyl group, W represents a hydroxyl group or a halogen atom, and z represents a halogen atom, a lower alkysulfonyloxy group which may be substituted, or a phenylsulfonyloxy group which may be substituted, and a herbicidal composition containing the sulfonamide compound as an effective ingredient.

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