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:
Jan. 06, 2011
Nobuhiro Maezawa, Osaka, JP;
Nobuhiro Maezawa, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A method of manufacturing a toner is provided which is excellent in low temperature fixation property, whose fixable temperature width is large, as well as excellent in durability while giving consideration to the global environment conservation. The method of manufacturing a toner includes a step of producing a polyester resin by a reaction of dicarboxylic acid and diol, and a step of producing a toner base particle having the polyester resin and a colorant. The dicarboxylic acid is a biomass monomer having carboxyl groups introduced into ends of one, or two or more monocarboxylic acids selected from pimaric acid, isopimaric acid, and sandaracopimaric acid.