Method of selecting ink jet inks in a color set
US6666553B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2001 |
| Grant date | Dec 23, 2003 |
| Priority date | — |
| Expiry date | Dec 28, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/322
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of selecting inks within an inkjet ink set for color printing includes: a) providing at least two color inks, each ink having a carrier and a pigment; b) printing the above inks onto a receiver using test images consisting of single color patches of a Dmax density (100% dot coverage); c) measuring the gloss level of each patch at a predefined specular angle; d) calculating the Relative Gloss Variability (RGV) values of the ink set based on the definition in Equation A; and e) selecting inks for the color set such that the Relative Gloss Variability (RGV) among inks is less than 10% when 60° is used as the specular angle: Where I is a variable which identifies a certain color patch used in the evaluation,N is the total number of color patches used in the evaluation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.