Wada, Mitsuo et al. published their patent in 2007 |CAS: 452-75-5

The Article related to charge generator phthalocyanine crystal electrophotog photoconductor, fluoroarene crystallization phthalocyanine electrophotog photoconductor, Radiation Chemistry, Photochemistry, and Photographic and Other Reprographic Processes: Electrophotography, Electrography, and Photoelectrophoretic Imaging and other aspects.COA of Formula: C7H6ClF

On June 7, 2007, Wada, Mitsuo; Ida, Kazutaka published a patent.COA of Formula: C7H6ClF The title of the patent was Charge-generating phthalocyanine crystals and electrophotographic photoconductors using them. And the patent contained the following:

The crystals having main diffraction peaks at Bragg angle (2θ±0.2°) 27.2° to CuKa x ray (wavelength 1.541 Å) are manufactured by treatment of amorphous or low-crystalline phthalocyanines with fluorinated aromatic compounds bearing substituents with Hammett constant ≤0.48. Electrophotog. photoconductor cartridges and electrophotog. apparatus are also claimed. The electrophotog. photoconductors show high sensitivity to LED or semiconductor lasers, and low dark decay. Thus, low-crystalline oxytitanylphthalocyanine was treated with 2,4-dichlorofluorobenzene. The experimental process involved the reaction of 4-Chloro-2-fluorotoluene(cas: 452-75-5).COA of Formula: C7H6ClF

The Article related to charge generator phthalocyanine crystal electrophotog photoconductor, fluoroarene crystallization phthalocyanine electrophotog photoconductor, Radiation Chemistry, Photochemistry, and Photographic and Other Reprographic Processes: Electrophotography, Electrography, and Photoelectrophoretic Imaging and other aspects.COA of Formula: C7H6ClF

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics