Phthalocyanine compounds used in inks for ink-jet printing
US6454845B1 · kind B1 · utility
10Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2001 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Jan 31, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B47/26
- 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(SO2NHAr)x  Formula (1)in which:M represents a metal or H;Pc represents a phthalocyanine nucleus;Ar represents an aromatic moiety optionally substituted by one or more groups selected from an optional substituent or optionally substituted C1-30carbyl;v is the valence of Pc divided by the valence of M; andx is from 2.5 to 4.5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.