Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1982-08-09
1985-11-05
Martin, Roland E.
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 58, 430 72, 430 73, 430 74, 430 75, 430 76, 430 77, 430 78, 430 79, G03G 506, G03G 514
Patent
active
045514046
ABSTRACT:
An electrophotographic photosensitive member characterized by containing at least one azo pigment represented by the following formula (1), (2), or (3): ##STR1## In these formulae; ##STR2## wherein Z represents ##STR3## in which R.sub.71 is hydrogen, or substituted or unsubstituted alkyl; n is 0 or 1; R.sub.21, R.sub.22, R.sub.61 and R.sub.62 represent hydrogen, alkyl, alkoxy, nitro, or hydroxyl R.sub.31 and R.sub.32 represent hydrogen or alkoxy; and R.sub.41, R.sub.42, R.sub.43, R.sub.44, R.sub.51, R.sub.52, R.sub.53 and R.sub.54 represent hydrogen, halogen, or organic monovalent residue. ##STR4## wherein X represents a residue necessary for completing an aromatic hydrocarbon ring or a heterocyclic ring, each ring being substituted or unsubstituted; R.sub.11 represents hydrogen or alkyl; R.sub.12 represents methyl, ethyl or C.sub.3 -C.sub.8 linear alkyl; and R.sub.17 and R.sub.18 represent alkyl, aralkyl or aryl, each substituted or unsubstituted. In formula (2), R.sub.11, R.sub.12 and X are as defined above; R.sub.13 and R.sub.14 represent hydrogen or cyano; and R.sub.15 and R.sub.16 represent hydrogen, halogen, alkyl, alkoxy, nitro or hydroxyl.
REFERENCES:
patent: 4251613 (1981-02-01), Sasaki et al.
patent: 4251614 (1981-02-01), Sasaki et al.
patent: 4279981 (1981-07-01), Ohta et al.
patent: 4299896 (1981-11-01), Hashimoto et al.
patent: 4349616 (1982-09-01), Sasaki
patent: 4359513 (1982-11-01), Katagiri et al.
patent: 4363859 (1982-12-01), Sasaki et al.
patent: 4399206 (1983-08-01), Katagiri et al.
patent: 4419428 (1983-12-01), Katagiri et al.
Hiro Masaaki
Ishikawa Shozo
Katagiri Kazuharu
Takahashi Hideyuki
Takasu Yoshio
Canon Kabushiki Kaisha
Copyer Kabushiki Kaisha
Martin Roland E.
LandOfFree
Disazo electrophotographic photosensitive member does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Disazo electrophotographic photosensitive member, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Disazo electrophotographic photosensitive member will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-295792