Titanylphthalocyanine crystal and method of producing the...

Details Titanylphthalocyanine crystal and method of producing the... Titanylphthalocyanine crystal and method of producing the...

2003-06-05

2008-09-02

RoDee, Christopher (Department: 1795)

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

C435S059000, C435S066000, C435S123000, C435S078000, C435S135000, C540S140000, C399S111000, C399S159000

Reexamination Certificate

active

07419751

ABSTRACT:
A titanylphthalocyanine crystal having an X-ray diffraction spectrum having plural diffraction peaks and a primary particle diameter not greater than 0.2 μm, wherein a maximum diffraction peak is observed at a Bragg (2θ) angle of 27.2±0.2°; main peaks are observed at 9.4°, 9.6° and 24.0°; and a minimum diffraction peak is observed at 7.3°; and preferably no diffraction peak is observed at an angle greater than 7.3° and less than 9.4° when a specific X-ray of CuKα having a wavelength of 1.542 Å irradiates the titanylphthalocyanine crystal.

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