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:
Aug. 14, 2012
Filed:
Oct. 16, 2007
Hiroyuki Yasukawa, Tokyo, JP;
Mikio Kouyama, Tokyo, JP;
Kenji Hayashi, Tokyo, JP;
Tomoko Sakimura, Tokyo, JP;
Hiroaki Obata, Tokyo, JP;
Natsuko Kusaka, Tokyo, JP;
Hiroyuki Yasukawa, Tokyo, JP;
Mikio Kouyama, Tokyo, JP;
Kenji Hayashi, Tokyo, JP;
Tomoko Sakimura, Tokyo, JP;
Hiroaki Obata, Tokyo, JP;
Natsuko Kusaka, Tokyo, JP;
Konica Minolta Business Technologies, Inc., Tokyo, JP;
Abstract
An electrostatic image developing toner which is capable of obtaining highly chromatic full-color images of bright color without causing perceived color contamination and exhibits superior lightfastness is disclosed, wherein the toner comprises a binding resin and a colorant, and the colorant is tetraazaporphyrin or phthalocyanine compounds such as a compound represented by the following formula: