Ink jet ink formulations containing carbon black products
US5571311A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1994 |
| Grant date | Nov 5, 1996 |
| Priority date | — |
| Expiry date | Dec 15, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/22
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
There is disclosed an aqueous ink jet ink composition comprising an aqueous vehicle and a carbon black product having attached at least one organic group. The organic group comprises a) at least one aromatic group and b) at least one ionic group, at least one ionizable group, or a mixture of an ionic group and an ionizable group. The organic group is directly attached to the carbon black by an aromatic group. Also disclosed is an aqueous ink jet ink composition comprising an aqueous vehicle and a carbon black product having attached at least one organic group. The organic group comprisies a) at least one C.sub.1 -C.sub.12 alkyl group group and b) at least one ionic group, at least one ionizable group, or a mixture of an ionic group and an ionizable group. The organic group is directly attached to the carbon black by an alkyl group. Ink jet recording methods applying an ink jet ink of the present invention are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.