logo

For the Inventor, By the Inventor

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.:

US 4871635 B1

PDFFull Text
Date of Patent:
Oct. 03, 1989

Filed:

May. 13, 1988

Electrophotographic photoconductor layered element comprising salt

Applicant:
Inventors:

Kenji Seki, Mishima, JP;

Junichiroh Hashimoto, Numazu, JP;

Michio Kimura, Numazu, JP;

Hirofumi Yamanami, Namazu, JP;

Satomi Mochizuki, Numazu, JP;

Izumi Aiso, Numazu, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:

Oblon, Spivak, McClelland, Maier & Neustadt

Primary Examiner:

J David Welsh

Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 60 ; 430 69 ;
Abstract

A repeatedly usable electrophotographic photoconductor comprising (a) an electroconductive support, (b) an undercoat layer containing therein at least one salt selected from the group consisting of carboxylates, amino carboxylates, phosphates, polyphosphates, phosphites, phosphate derivatives, borates, sulfates and sulfites, and (c) a photoconductive layer, which layers are successively overlaid on the electroconductive support.

Find Patent Forward Citations

Seki, Kenji. (1989). Electrophotographic photoconductor layered element comprising salt (U.S. Patent No. 4871635). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4871635

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…