Phthalocyanine compounds
US6043355A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Feb 5, 1998 |
| Grant date | Mar 28, 2000 |
| Priority date | — |
| Expiry date | Feb 5, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/248
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A phthalocyanine compound of formula (I): ##STR1## wherein FIGS. 1 to 16 around the phthalocyanine skeleton indicate the positions of carbon atoms in each benzene ring thereof; an oxygen atom is bonded to the carbon atom with position 1 or 4, to the carbon atom with position 5 or 8, to the carbon atom with position 9 or 12, and to the carbon atom with position 13 or 16; R.sup.1 is a fluorine-atom substituted alkyl group; R.sup.2 is an unsubstituted phenyl group or an alkyl-group-substituted phenyl group; R.sup.3 is an unsubstituted alkyl group, a fluorine-atom substituted alkyl group or a hydrogen atom; and M represents Zn, Cu or Ni.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.