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Electrophotographic plate and process employing inorganic photoconductive material with a photochromic sensitizing agent

阅读:890发布:2024-02-12

专利汇可以提供Electrophotographic plate and process employing inorganic photoconductive material with a photochromic sensitizing agent专利检索,专利查询,专利分析的服务。并且An electrophotographic plate which comprises a photoconductive layer comprising a photoconductive material, a binder material, and a photochromic sensitizing agent selected from the group consisting of: WHEREIN: R1 H, a halogen, R or OR where R is an alkyl group having one to seven carbon atoms, R2 and R3 an alkyl group having one to seven carbon atoms, and R4 (CH2)n SO3H or (CH2)n COOH, where n 1 to 7; WHEREIN: R1 R, a halogen, R or OR where R is an alkyl group having one to seven carbon atoms, R2 and R3 an alkyl group having one to seven carbon atoms, R4 (CH2)n SO3H or (CH2)n COOH where n 1 to 7, and R5 and R6 H, NO2, a halogen, CN, OR, or COOR where R is an alkyl group having one to seven carbon atoms, providing R5 and R6 do not represent H atoms simultaneously; AND MIXTURES THEREOF, IS DISCLOSED. Electrophotographic processes employing these plates are also disclosed.,下面是Electrophotographic plate and process employing inorganic photoconductive material with a photochromic sensitizing agent专利的具体信息内容。

  • 2. The member as disclosed in claim 1 wherein said photochromic sensitiZing agent is the open form of the respective sensitizing material.
  • 3. The member as disclosed in claim 1 wherein said photochromic sensitizing agent is the closed form of the respective sensitizing material.
  • 4. The member as disclosed in claim 1 wherein said inorganic photoconducting material is selected from at least one member of the group consisting of zinc oxide and titanium oxide.
  • 5. The plate as disclosed in claim 4 wherein said inorganic photoconductive material comprises zinc oxide.
  • 6. The member as disclosed in claim 1 wherein said photoconductive layer has a thickness of from about 5 to about 200 microns.
  • 7. The photoconductive member as disclosed in claim 1 wherein said sensitizing agent and said photoconductive material are present in amounts ranging from about 1-1,000 parts by weight of said sensitizing agent to about 100,000 parts by weight of said photoconductive material.
  • 8. The member as disclosed in claim 7 wherein said range comprises 1-20 parts by weight of said sensitizing agent to about 10,000 parts by weight of said photoconductive material.
  • 9. An electrophotographic imaging process which comprises: a. providing an electrophotographic member of the nature described in claim 1, b. forming an electrostatic latent image on the surface of said plate, and c. developing said latent image with electroscopic developing materials.
  • 10. The process as disclosed in claim 9 further including the step of the uniformly exposing said developed member to visible light.
  • 11. The process as disclosed in claim 9 wherein said photochromic sensitizing agent is the open form of said agent.
  • 12. The process as disclosed in claim 9 wherein said photochromic sensitizing agent is the closed form of said agent.
  • 13. The process as disclosed in claim 9 wherein said inorganic photoconductive material is selected from at least one member of the group consisting of zinc oxide and titanium oxide.
  • 14. The process as disclosed in claim 13 wherein said inorganic photoconductive material comprises zinc oxide.
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