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:
Feb. 13, 2001
Filed:
Aug. 31, 1999
Applicant:
Inventors:
Tatsuhiko Chiba, Kamakura, JP;
Kazuo Yoshinaga, Kawasaki, JP;
Satoshi Yasuda, Shizuoka-ken, JP;
Hiroaki Kawakami, Yokohama, JP;
Ryoichi Fujita, Odawara, JP;
Shinya Yachi, Numazu, JP;
Koichi Tomiyama, Numazu, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/09 ;
U.S. Cl.
CPC ...
G03G 9/09 ;
Abstract
A yellow toner suitable for electrophotography is formed by dispersing a yellow colorant mixture in a binder resin. The yellow colorant mixture is formed of at least a pigment of formula (1) or (2) below, and a dye of formula (3) below: