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
Assignee
Inventors
Key dates
| Filing date | May 15, 1985 |
| Grant date | Nov 11, 1986 |
| Priority date | — |
| Expiry date | May 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.