Patent · US Expired

1,4-Bis(aminoalkylamino)-anthraquinones and leuco derivatives thereof

US4138415A · kind A · utility

8Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 5, 1978
Grant dateFeb 6, 1979
Priority date
Expiry dateMay 5, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G59/623
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

This disclosure describes 1,4-bis(substituted-amino)-5,6-dihydroxyanthraquinones and 1,4,5-tris(substituted-amino)-8-hydroxyanthraquinones useful as chelating agents, as curing catalysts for epoxy resins, and for inhibiting the growth of transplanted mouse tumors.

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