Pigmented hot melt inks
US6702884B2 · kind B2 · utility
20Cited by
35References
35Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 31, 2001 |
| Grant date | Mar 9, 2004 |
| Priority date | — |
| Expiry date | Feb 20, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention features a hot melt ink composition. The composition includes a vehicle; a pigment having a modifying group on a surface of the pigment; and a polymeric dispersant including a group which associates with the modified surface and a backbone which is miscible with the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.