Prevention of optical density loss in inkjet printing
US9187660B2 · kind B2 · utility
0Cited by
9References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 2005 |
| Grant date | Nov 17, 2015 |
| Priority date | — |
| Expiry date | Sep 11, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/54
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to an inkjet ink comprising: a) colorant; b) a polymeric binder having an acid number below 200 selected from the group consisting of a styrene-acrylic polymeric binder, an acrylic polymeric binder, an anionic polyurethane binder and combinations thereof; c) water dispersible surfactant; and d) a solvent which does not dissolve an acidified form of the binder, the solvent having a vapor pressure less than 0.1 mm at 25° C. The invention further relates to methods of making using the ink, printing systems and ink sets which use this ink.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.