Process for producing dry ink colorants that will reduce metamerism
US8278018B2 · kind B2 · utility
0Cited by
59References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2007 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Feb 27, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0614
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In accordance with the invention, there is a method of forming a toner. The method can include blending two or more colorants to form a sample toner and forming a sample color specimen including a printed image comprising the sample toner. The method can further include comparing spectral distribution curves of the sample color specimen with that of a target color specimen including a target color and repeating the disclosed steps until acquiring a desired spectral match between the sample toner and the target color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.