Metal pigment composition and coloring method
US12291641B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Jan 28, 2022 |
| Grant date | May 6, 2025 |
| Priority date | — |
| Expiry date | Mar 9, 2044 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D17/006
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A metal pigment composition of the present disclosure is a coloring composition or a composition to be used for preparation of the coloring composition and includes: a metal pigment; a polyoxyalkyleneamine compound; and a liquid medium component, the metal pigment includes metal particles, the metal particles are surface-modified with a surface treatment agent, and the surface treatment agent is at least one selected from the group consisting of a compound represented by the following formula (1) and a compound represented by the following formula (2) (A-R—O)aP(O)(OH)3-a (1)(A-R)P(O)(OH)2 (2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.