(.mu.)-oxo-aluminum/gallium phthalocyanine dimer

.alpha.-type titanyl phthalocyanine composition, method for prod

.mu. -oxo-galliuim phthalocyanine dimer having novel polymorph a

1,1,4,4-tetraphenyl-1,3-butadiene derivative and electrophotogra

1,2,4,5-benzoylenebis(anthraquinone[1,2-d]imidazole) compounds a

1,2,4,5-benzoylenebis(naphtho[1,8-de]pyrimidine) compounds and t

1,3,4-Oxadiazole derivatives and use thereof

1,3-pentadiene derivatives and electrophotographic photoconducto

1,4-bis(2',2'-diphenylvinyl)benzene derivative and charge transp

2,3-bis(dialkylaminophenyl)quinoxalines and their use in electro

2,6-Di-tert-butyl-4-substituted thiopyrylium salt, process for p

4-chlorooxazole derivatives and processes for their preparation

4H-Thiopyran-1,1-dioxide and electrophotographic layers and elem

5H-dibenzo(A,D) cycloheptanylidene derivative and 5H-dibenzo (A,

A-selenium-tellurium photosensitive member and electrostatic inf

Acid doping latitude enlargement for photoreceptors

Additive containing charge transport layer photoconductors

Additive containing photoconductors

Additive containing photogenerating layer photoconductors

Adhesive generator overcoated photoreceptors