Patent · US Expired

4-hydroxybiphenyl hydrazide derivatives

US6093843A · kind A · utility

5Cited by
1References
24Claims
0Family size

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Key dates

Filing dateOct 6, 1999
Grant dateJul 25, 2000
Priority date
Expiry dateOct 6, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C281/02
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds having the formula: ##STR1## wherein R is hydrogen or CO.sub.2 CH(CH.sub.3).sub.2, useful as intermediates in the preparation of the miticide bifenazate, methods for their preparation, and methods for the preparation of bifenazate.

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