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. 30, 2013
Filed:
Jun. 26, 2009
Masahiro Anno, Tokyo, JP;
Masahiko Nakamura, Tokyo, JP;
Tsuyoshi Uchida, Tokyo, JP;
Kouichi Sugama, Tokyo, JP;
Kenichi Onaka, Tokyo, JP;
Junya Onishi, Tokyo, JP;
Masahiro Anno, Tokyo, JP;
Masahiko Nakamura, Tokyo, JP;
Tsuyoshi Uchida, Tokyo, JP;
Kouichi Sugama, Tokyo, JP;
Kenichi Onaka, Tokyo, JP;
Junya Onishi, Tokyo, JP;
Konica Minolta Business Technologies, Inc., Tokyo, JP;
Abstract
Provided are a toner and a toner manufacturing method with which high image density and a broad range of color reproduction are obtained, and with which high-quality images are also obtained. The toner is composed of toner particles that comprise a binding resin containing a polyester resin and a colorant, and contains 10-1,500 ppm of a metal element selected from titanium, germanium, and aluminum, and a cyclic phenol sulfide represented by general formula (1) selected from thiacalixarene, sulfinyl thiacalixarene and sulfonyl thiacalixarene.