Patent · US Active

Black disazo dyes, their preparation and use

US8834620B2 · kind B2 · utility

1Cited by
15References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 17, 2011
Grant dateSep 16, 2014
Priority date—
Expiry dateFeb 14, 2032

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/328
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Black disazo dyes of general formula (V)wherein or of formula (VII)and or of formula (IX)

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