Claims
- 1. A reaction product obtained by reacting (a) (2R,3R)-(−)-2,3-butanediol with (b) an oxytitanium phthalocyanine compound, wherein said reaction product shows largest main peak at the Bragg angle (2θ±0.2°) of 8.3° in the X-ray diffraction spectrum to CuKα.
- 2. The reaction product according to claim 1, wherein said reaction product further shows main peaks at the Bragg angle (2θ±0.2°) of at least 24.7° and 25.1° in the X-ray diffraction spectrum to CuKα.
- 3. A method for producing a reaction product comprising reacting (a) an optically active threo-butanediol having one hydroxy group per each of the two adjacent carbon atoms, said carbon atoms each being a secondary carbon atom with (b) an α-type oxytitanium phthalocyanine compound in a molar ratio of the diol to the oxytitanium phthalocyanine of from 0.5 to 1.5.
- 4. The method for producing a reaction product according to claim 3, wherein said threo-butanediol (a) is (2R, 3R)-(−)-2,3-butanediol or (2S, 3S)-(+)-2,3-butanediol.
- 5. A dispersion comprising a reaction product obtained by reacting (a) an optically active threo-butanediol having one hydroxy group per each of the two adjacent carbon atoms, said carbon atoms each being a secondary carbon atom, with (b) an oxytitanium phthalocyanine compound, said reaction product being dispersed in a dispersion medium, wherein said reaction product is obtained by the method of claim 3.
- 6. An organic photoconductor comprising a photosensitive layer and an electroconductive support, wherein said photosensitive layer comprises as a change generating material a reaction product produced by the method of claim 3.
- 7. A layer of dispersion comprising a reaction product produced by the method of claim 3.
- 8. A dispersion comprising a reaction product obtained by reacting (a) an optically active threo-alkanediol having one hydroxy group per each of the two adjacent carbon atoms, said carbon atoms each being a secondary carbon atom, with (b) an oxytitanium phthalocyanine compound, said reaction product being dispersed in a dispersion medium, wherein said reaction product shows a largest main peak at the Bragg angle (2θ±0.2°) of 8.3° or 24.7°.
- 9. A layer of dispersion formed by using the dispersion according to claim 8, which shows a largest main peak at the Bragg angle (2θ±0.2°) of 8.3° in the X-ray diffraction spectrum to CuKα.
- 10. An organic photoconductor comprising a photosensitive layer and an electroconductive support, wherein said photosensitive layer comprises as a charge generating material a reaction product obtained by reacting (a) (2R, 3R)-(−)-2,3-butanediol with (b) an oxytitanium phthocyanine compound, wherein said photosensitive layer shows a largest main peak at the Bragg angle (2θ±0.2°) of 8.3° in the X-ray diffraction spectrum to CuKα, wherein said reaction product shows a largest main peak at the Bragg angle (2θ±0.2°) of 24.7° in the X-ray diffraction spectrum to CuKα and is dispersed in said photosensitive layer.
- 11. A reaction product obtained by reacting (a) (2R, 3R)-(−)-2,3-butanediol with (b) an oxytitanium phthalocyanine compound, wherein said reaction product shows a largest main peak at the Bragg angle (2θ±0.2°) of 24.7° in the X-ray diffraction spectrum to CuKα.
Priority Claims (1)
Number |
Date |
Country |
Kind |
7-106243 |
Apr 1995 |
JP |
|
Parent Case Info
This application is a division of prior application Ser. No. 08/593.338, filed Jan. 29, 1996, U.S. Pat. No. 6,117,604.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
6117604 |
Saito |
Sep 2000 |
A |
Foreign Referenced Citations (1)
Number |
Date |
Country |
A-5-273775 |
Oct 1993 |
JP |
Non-Patent Literature Citations (5)
Entry |
Patent & Trademark Office English-Language Translation of JP 05-273775 (Pub Oct. 1993).* |
Watanabe et al.,; “Formation and Characteristics of Titanyl Phthalocyanine Crystals Containing Diol compounds”, Japan Hard Copy (1992), pp. 153-156. |
Watanabe et al.,; “Syntheses and Properties of Titanyl Phthalocyanine New Polymorphs”, Japan Hard Copy (1993), pp. 659-662. |
Caplus abstract AN: 1994:232008 of JP 05-273775 (Pub Oct. 1993). |
Japio abstract AN: 93: 273775 of JP 05-273775 (Pub Oct. 1993). |