Organic pigment fine-particle, and method of producing the same
US7160380B2 · kind B2 · utility
25Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2004 |
| Grant date | Jan 9, 2007 |
| Priority date | — |
| Expiry date | Sep 21, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0091
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of producing a fine particle of an organic pigment, containing the steps of: flowing a solution of an organic pigment dissolved in an alkaline or acidic aqueous medium, through a channel which provides a laminar flow; and changing a pH of the solution in the course of the laminar flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.