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:
Dec. 26, 1989
Filed:
Dec. 12, 1988
Applicant:
Inventors:
Tomokazu Kobata, Kobe, JP;
Yosuke Matsui, Kobe, JP;
Assignee:
Bando Chemical Industries, Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 59 ;
Abstract
In an electrophotographic light-sensitive material having a layer of a charge transporting substance and a layer of a charge producing substance on an electrically conductive support, the charge transporting substance is an arylaldehydehydrazone derivative of the general formula: ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each an alkyl or aryl group.