Patent · US Expired

Fluorescent aryloxy-substituted perylene-3,4,9,10-tetracarboxylic acid diimides

US4845223A · kind A · utility

74Cited by
4References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 8, 1986
Grant dateJul 4, 1989
Priority date
Expiry dateDec 8, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B5/62
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The novel compounds of the general formula ##STR1## where R.sup.1 and R.sup.2 are identical or different aliphatic, cycloaliphatic, aromatic or heterocyclic radicals which are free of groups which impart water solubility, PA1 X, Y and Z are each chlorine, bromine or a radical OR.sup.3 and PA1 R.sup.3 is unsubstituted or substituted phenyl, naphthyl or anthryl, are very useful as fluorescent dyes in organic material.

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