Crystalline forms of hydroxygallium phthalocyanine
AssigneeFuji Xerox Co., Ltd.
InventorsKatsumi Nukada, Katsumi Daimon
Life of this patent
Estimating the term…
Abstract
A halogenated hydroxygallium phthalocyanine crystal shows intense diffraction peaks at Bragg angles (2.THETA..+-.0.2.degree.) of (1) 7.7.degree., 16.5.degree., 25.1.degree. and 26.6.degree.; (2) 7.9.degree., 16.5.degree., 24.4.degree., and 27.6.degree.; (3) 7.0.degree., 7.5.degree., 10.5.degree., 11.7.degree., 12.7.degree., 17.3.degree., 18.1.degree., 24.5.degree., 26.2.degree., and 27.1.degree.; (4) 7.5.degree., 9.9.degree., 12.5.degree., 16,3.degree., 18.6.degree., 25.1.degree., and 28.3.degree. or (5) 6.8.degree., 12.8.degree., 15.8.degree., and 26.0.degree. and is suited for use in an electrophotographic photoreceptor is disclosed.
Claims1
A halogen-containing hydroxygallium phthalocyanine crystal showing intense diffraction peaks at Bragg angles (2.THETA..+-.0.2.degree.) of (1) 7.7.degree., 16.5.degree., 25.1.degree. and 26.6.degree.;
- (2) 7.9.degree., 16.5.degree., 24.4.degree., and 27.6.degree.;
- (3) 7.0.degree., 7.5.degree., 10.5.degree., 11.7.degree., 12.7.degree., 17.3.degree., 18.1.degree., 24.5.degree., 26.20.degree., and 27.1.degree.;
- 4) 7.5.degree., 9.9.degree., 12.5.degree., 16.3.degree., 18.6.degree., 25.1.degree., and 28.3.degree.;
- or (5) 6.8.degree., 12.8.degree., 15.8.degree., and 26.0.degree..
Dependencies are inferred from the claim text.