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:
Mar. 26, 1985
Filed:
Apr. 15, 1983
Atsushi Kakuta, Hitachiohta, JP;
Hiroyuki Oka, Hitachi, JP;
Shigeo Suzuki, Hitachi, JP;
Kotaro Araya, Hitachi, JP;
Yasuki Mori, Hitachi, JP;
Hirosada Morishita, Hitachi, JP;
Shigemasa Takano, Tokyo, JP;
Manabu Sawada, Tokyo, JP;
Isao Kumano, Kawagoe, JP;
Hitachi, Ltd., Tokyo, JP;
Toyo Ink Manufacturing Co., Ltd., Tokyo, JP;
Abstract
The disclosure is concerned with an electrophotographic recording medium having a layer of a photoconductive material containing at least one member selected from the group consisting of .tau., .tau.', .eta., and/or .eta.' form metal free phthalocyanine, the layer being formed on an electroconductive supporter. The recording medium of this invention is characterized in that the recording medium exhibits high sensitivity to longer wavelength light.