Ink compositions containing phthalocyanines
US6726755B2 · kind B2 · utility
104Cited by
24References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2002 |
| Grant date | Apr 27, 2004 |
| Priority date | — |
| Expiry date | Sep 28, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula wherein M is an atom or group of atoms capable of bonding to the central cavity of a phthalocyanine molecule, wherein axial ligands optionally can be attached to M. Also disclosed are printing processes using the phase change inks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.