Coating of metal pigments using phosphonic acid-based compounds
US9139715B2 · kind B2 · utility
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19References
18Claims
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Key dates
| Filing date | Sep 14, 2012 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Nov 5, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09C3/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A coated metal pigment that has excellent passivation, dispersion and adhesion properties, a method for producing the coated metal pigment and a coating composition that includes the coated metal pigment are described. The disclosed method generally involves the use of a compound with the following formula (A)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.