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:
Sep. 10, 1996
Filed:
Jul. 11, 1994
Applicant:
Inventors:
Shinichi Kuramoto, Numazu, JP;
Yoshihisa Okamoto, Fuji, JP;
Yasuo Asahina, Numazu, JP;
Michio Izumi, Numazu, JP;
Hidefumi Gohhara, Numazu, JP;
Chiharu Mochizuki, Numazu, JP;
Tomomi Suzuki, Gotenba, JP;
Hideo Nakamura, Ichihara, JP;
Masaru Wakisaka, Ichihara, JP;
Assignees:
Ricoh Company, Ltd., Tokyo, JP;
Mitsui Petrochemical Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430109 ;
Abstract
A dry toner for use in electrophotography including a coloring agent and a polyol resin serving as a binder resin, which has a main chain portion containing an epoxy resin moiety and an alkylene oxide moiety, and protected terminal portions bonded to the main chain portion.