1,2,4,5-benzoylenebis(anthraquinone[1,2-d]imidazole) compounds
AssigneeSharp Kabushiki Kaisha
InventorsSatoshi Katayama, Yoshihide Shimoda, Hiroshi Sugimura, Eiji Imada, Shuhei Tsuchimoto
Life of this patent
Estimating the term…
Abstract
1,2,4,5-benzoylenebis(anthraquinone[1,2-d]imidazole) compounds represented by following general formula (1) or ##STR1## wherein R and R' each are hydrogen atom, a halogen atom, hydroxyl group, a lower alkyl group, a lower alkoxy group or an aryl group which may be substituted and m and n each are an integer of 1 or 2, and photosensitive members for electrophotography having a photosensitive layer containing them.
Claims34
A 1,2,4,5-Benzoylenebis(anthraquinone[1,2-d]imidazole) compound represented by the following formula ##STR43## wherein R and R' each are hydrogen atom, a halogen atom, hydroxyl group, a lower alkyl group, a lower alkoxy group or an aryl group which may be substituted and m and n each are an integer of 1 or 2.
Dependencies are inferred from the claim text.