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:
May. 27, 2014
Filed:
Mar. 16, 2011
Applicants:
Hiroshi Yamashita, Shizuoka, JP;
Masaki Watanabe, Shizuoka, JP;
Tomoki Murayama, Miyagi, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01);
U.S. Cl.
CPC ...
Abstract
A toner obtained by a method for producing a toner, which includes dissolving or dispersing in an organic solvent a toner material containing at least a binder resin, and a dispersion liquid of a crystalline polyester resin, so as to prepare a solution or dispersion liquid of the toner material, emulsifying or dispersing the solution or dispersion liquid of the toner material in an aqueous medium, so as to prepare an emulsion or dispersion liquid, and removing the organic solvent from the emulsion or dispersion liquid, wherein the crystalline polyester resin is localized near a surface of the toner.