Ink and printing process
US9309425B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 2012 |
| Grant date | Apr 12, 2016 |
| Priority date | — |
| Expiry date | Jan 9, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/326
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An ink comprising an encapsulated particulate solid and a liquid vehicle wherein: I) the encapsulated particulate solid comprises a particulate solid encapsulated with a cross-linked dispersant shell; and II) the ink comprises the components: a. from 0.1 to 20 parts of the encapsulated particulate solid; b. from 20 to 40 parts of glycerol; c. from 1 to 30 parts of ethylene glycol; d. from 0 to 20 parts of 2-pyrrolidone; e. from 0.01 to 3 parts of surfactant; f. from 0 to 10 parts of water-soluble polymer; g. from 0 to 20 parts of polymer particles; h. from 0 to 2 parts of biocide; i. from 20 to 75 parts of water; wherein all the parts are by weight and the sum of the components a. to i. is 100 parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.