Patent · US Expired

Herbicidal methods employing derivatives of N-phosphonomethylglycine

US4251257A · kind A · utility

1Cited by
4References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 17, 1979
Grant dateFeb 17, 1981
Priority date—
Expiry dateAug 17, 1999

Classification

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

Abstract

A new class of compounds, prepared by reacting a salt of N-phosphonomethylglycine with a cyclic anhydride, have utility as post-emergent herbicides.

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