Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co LtdfiledCriticalRicoh Co Ltd
Priority to JP59184850ApriorityCriticalpatent/JPS6162563A/ja
Publication of JPS6162563ApublicationCriticalpatent/JPS6162563A/ja
Publication of JPH0554509B2publicationCriticalpatent/JPH0554509B2/ja
G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
G03G5/06—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor characterised by the photoconductive material being organic
G03G5/0664—Dyes
G03G5/0675—Azo dyes
G03G5/0679—Disazo dyes
G03G5/0681—Disazo dyes containing hetero rings in the part of the molecule between the azo-groups