Patent · US Expired

Wettable powder formulations of herbicides

US6656883B1 · kind B1 · utility

9Cited by
12References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 19, 1996
Grant dateDec 2, 2003
Priority date—
Expiry dateNov 19, 2016

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA01N43/60
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A formulation comprising:a) a herbicide,b) a porous solid carrier, andc) 30-60% by weight of a nonionic surfactant of formula I:C8-16—(O—C2-4—)5-10—O—H/C1—4  (I)The herbicides may be selected from the group consisting of urea herbicides, imidazolinones, sulfonylureas, uracils, cyclohexanediones, chloroacetanilides, oxime ethers, triazines, or phenoxypropionic acid herbicides, in particular, the phenoxypropionic acid derivatives:(III) clodinafop-propargyl(IV) propaquizafop(V) fluazifop-butyl(VI) fenoxaprop-ethyl(VII) quizalofop-ethyloptionally in combination with the safener (VIII) cloquintocet-mexyl.

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