Printing ink composition
US5372635A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 1993 |
| Grant date | Dec 13, 1994 |
| Priority date | — |
| Expiry date | Nov 23, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A printing ink composition comprising: PA1 (a) a dispersion of about 10-25 wt. %, based on the weight of the composition, of a pigment in about 40-90 wt. %, based on the weight of the composition, of a C.sub.7 -C.sub.40 oil; and PA1 (b) about 0.1 to 5.0 wt. %, based on the weight of the composition, of a soap of a tall oil fatty acid. The printing ink composition has the unique capability of being utilized in lithographic printing processes utilizing tap water rather than aqueous fountain solution in the dampening system of the press.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.