Azobarbituric acid metal complex pigment and process for the production thereof
US7081160B2 · kind B2 · utility
3Cited by
10References
8Claims
0Family size
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Key dates
| Filing date | Jun 30, 2005 |
| Grant date | Jul 25, 2006 |
| Priority date | — |
| Expiry date | Aug 8, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/322
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An azobarbituric acid metal complex pigment comprising an azobarbituric acid metal complex of the formula (1), melamine and a compound of the formula (2), which pigment has an average primary particle diameter of 20 nm to 200 nm and a pigment primary particle aspect ratio of 1:1 to 3:1 and is fine and excellent in flowability, transparency and stability with time, and a process for the production of the above pigment
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.