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. 07, 2013
Filed:
Feb. 04, 2011
Masaki Watanabe, Shizuoka, JP;
Osamu Uchinokura, Shizuoka, JP;
Tsuneyasu Nagatomo, Shizuoka, JP;
Takahiro Honda, Shizuoka, JP;
Ryuta Chiba, Miyagi, JP;
Masaki Watanabe, Shizuoka, JP;
Osamu Uchinokura, Shizuoka, JP;
Tsuneyasu Nagatomo, Shizuoka, JP;
Takahiro Honda, Shizuoka, JP;
Ryuta Chiba, Miyagi, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A method for producing a toner, including: dispersing toner particles containing at least a binder resin in a first aqueous medium so as to produce an aqueous dispersion; and subjecting the aqueous dispersion to heat treatment, wherein the electric conductivity of the aqueous dispersion after the heat treatment is higher than the electric conductivity of the aqueous dispersion before the heat treatment by 50 μS/cm or less.