Phase change inks containing dimeric azo pyridone colorants
US6673139B1 · kind B1 · utility
98Cited by
31References
71Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2002 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | Jul 9, 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
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.