Patent · US Expired

1,5-diphenylpyrazole-3-carboxylic acid derivatives for the protection of cultivated plants

US5078780A · kind A · utility

10Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 16, 1987
Grant dateJan 7, 1992
Priority date
Expiry dateOct 16, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D487/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

1,5-diphenylpyrazole-3-carboxylic acid derivatives of the formula ##STR1## are capable of antagonising specifically the phytotoxic action of phenoxypropionic acid ester herbicides of the formula II ##STR2## in which G represents ##STR3## Compositions, containing those compositions, as selective herbicides and the use of those two active ingredients for controlling weeds in crops of useful plants are described, as are also novel 1,5-diphenylpyrazole-3-carboxylic acid derivatives corresponding to the formula I and the preparation thereof.

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