Patent · US Expired

Inclusion compounds, intercalation compounds, and solid solutions of colored organic metal compounds which contains a nickel salt or nickel complex of an azobarbituric acid or its tautomer

US4622391A · kind A · utility

21Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 1985
Grant dateNov 11, 1986
Priority date
Expiry dateMay 15, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B67/006
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

New inclusion compound, intercalation compounds or solid solutions which are the nickel salts or nickel complexes of a compound which, in one of its tauteromeric structures, corresponds to the formula ##STR1## which contain at least one other included compound, except for one composition of matter which consists of 45 to 82% by weight of azobarbituric acid/nickel 1:1 complex, 3 to 15% by weight of benzene-sulphonamide, 5 to 20% by weight of nickel acetate and 10 to 20% by weight of water and the use of these materials as pigments are disclosed.

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