Patent · US Expired

Substituted pyridine herbicides

US5019153A · kind A · utility

2Cited by
5References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 1, 1989
Grant dateMay 28, 1991
Priority date
Expiry dateDec 1, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/58
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Disclosed are pyridine herbicides characterized by substitution with a fluorine-containing methyl group at the 2- or 6-position, a carboxylic acid-derived group at the 3-position, and a halogen or a substituted nitrogen-containing group at the 5-position.

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