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:
Nov. 08, 1994
Filed:
Aug. 13, 1992
Shiro Nakano, Nichinan, JP;
Oji Paper Co., Ltd., Chuo, JP;
Abstract
A laser-sensitive electrophotographic lithograph printing plate material having excellent sensitivity to light having a long wavelength of from 700 to 1000 nm, a high thermal resistance and persistency, and high resistance to a change of sensitivity with time, provided with a laser-sensitive photoconductive layer formed on a substrate and comprising a photoconductive pigment; a sensitizing dye comprising at least one compound of the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are respectively --CH.sub.3, --C.sub.2 H.sub.5, or --CH.sub.2 --CH.dbd.CH.sub.2 and X is a halogen atom, an antioxidant comprising at least one member selected from radical chain terminators, peroxide-decomposing agents, and heavy metal-deactivating agents, and an electrically insulating binder.