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. 29, 2012
Filed:
Apr. 23, 2009
Junichi Awamura, Numazu, JP;
Akinori Saitoh, Numazu, JP;
Osamu Uchinokura, Mishima, JP;
Tomomi Suzuki, Numazu, JP;
Junichi Awamura, Numazu, JP;
Akinori Saitoh, Numazu, JP;
Osamu Uchinokura, Mishima, JP;
Tomomi Suzuki, Numazu, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A method of manufacturing the toner comprising dispersing at least one of a binder resin or a precursor thereof, a coloring agent and a releasing agent in an organic solvent to obtain an oil phase, dispersing the oil phase in an aqueous medium with a shearing force to obtain a dispersion emulsion, wherein the dispersion emulsion process has plural stages and the shear speed A of the emulsification process of stage n is faster than the shear speed B of the emulsification process of stage n+1.