Phthalocyanine compounds used in inks for ink jet printing
US6508873B1 · kind B1 · utility
4Cited by
10References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2001 |
| Grant date | Jan 21, 2003 |
| Priority date | — |
| Expiry date | Jan 31, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/037
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Phthalocyanine compounds of Formula (1) have utility as colorants in inks for ink-jet printing, where Formula (1) represents:MvPc(COR1)4  Formula (1)in which:M represents a metal or H;Pc represents a phthalocyanine nucleus;R1 represents OR2; or NR3R4;where R2, R3 and R4 independently represent H or optionally substituted C1-30carbyl; andv is the valence of Pc divided by the valence of M;provided than R1 is other than amino.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.