Patent · US Expired

Process for separating pyethroid geometric isomers

US4843174A · kind A · utility

1Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 1986
Grant dateJun 27, 1989
Priority date
Expiry dateSep 26, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C51/487
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to the separation of the geometrical isomers of cyclopropane carboxylic acids of formula (I) ##STR1## wherein R represents alkyl having 1 to 4 carbon atoms or halogen.

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