Patent · US Expired

Bis-azo compounds with 2,3-dichlorobenzoyl group

US5717080A · kind A · utility

1Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 20, 1996
Grant dateFeb 10, 1998
Priority date
Expiry dateAug 20, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B35/04
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A bis-azo compound represented by the following general formula (1), a tautomer thereof or a salt thereof: ##STR1## wherein R represents a substituted or unsubstituted phenyl group or a substituted or unsubstituted heteroaryl group and X represents a substituted or unsubstituted phenylene group. These compounds exhibit low toxicity and do not have any undesirable effect such as mutagenecity.

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