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:
Apr. 08, 1997
Filed:
Mar. 24, 1995
Masayuki Shoshi, Yokohama, JP;
Yumi Ichikawa, Yokohama, JP;
Kaoru Teramura, Kawasaki, JP;
Masayuki Koyano, Sagamihara, JP;
Megumi Kawahara, Yokohama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A pyrazine compound of formula (I) and a pyrazine compound of formula (II): ##STR1## wherein R is an unsubstituted or substituted phenyl group, an unsubstituted or substituted naphthyl group; and an electrophotographic photoconductor which includes an electroconductive support and a photoconductive layer formed thereon containing a charge generating material and a charge transporting material which is any of the above-mentioned pyrazine compounds of formula (I) and formula (II).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile