The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 26, 1985
Filed:
Aug. 25, 1983
Kiyoshi Sakai, Mitaka, JP;
Shozo Ishikawa, Yokohama, JP;
Tetsuo Arita, Shiki, JP;
Minoru Mabuchi, Tokyo, JP;
Shoji Umehara, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An organic film comprising at least one compound of the following formulae (1)-(5): ##STR1## wherein R.sub.11 and R.sub.13 each represent substituted or unsubstituted aryl, R.sub.12 represents substituted or unsubstituted arylene, and A.sup..crclbar. represents an anionic residue; ##STR2## wherein R.sub.21, R.sub.22, and R.sub.24 each represent substituted or unsubstituted aryl, R.sub.23 represents substituted or unsubstituted arylene, and A.sup..crclbar. represents an anionic residue; ##STR3## wherein R.sub.31, R.sub.33, and R.sub.35 each represent substituted or unsubstituted aryl, R.sub.32 and R.sub.34 each represent substituted or unsubstituted arylene, and A.sup..crclbar. represents an anionic residue; ##STR4## wherein R.sub.41 represents alkyl, substituted or unsubstituted phenyl, or substituted or unsubstituted styryl, R.sub.42 represents substituted or unsubstituted arylene, R.sub.43 represents substituted or unsubstituted aryl, and A.sup..crclbar. represents an anionic residue; and ##STR5## wherein R.sub.51 represents alkoxy, R.sub.52 represents alkyl, R.sub.53 represents substituted or unsubstituted arylene, R.sub.54 represents substituted or unsubstituted aryl, A.sup..crclbar. represents an anionic residue, and n represents an integer of 1 or 2.