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. 08, 2008
Filed:
Sep. 19, 2006
Masayuki Ishii, Numazu, JP;
Chiaki Tanaka, Shizuoka, JP;
Nahiro Watanabe, Shizuoka, JP;
Kei Naitoh, Shizuoka, JP;
Takuya Saito, Numazu, JP;
Masayuki Ishii, Numazu, JP;
Chiaki Tanaka, Shizuoka, JP;
Nahiro Watanabe, Shizuoka, JP;
Kei Naitoh, Shizuoka, JP;
Takuya Saito, Numazu, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner producing method is provided, which comprises preparing toner base particles in an aqueous medium, wherein the toner base particles comprise resin fine particles, and forming a coating layer on the surface of the toner base particles, wherein the coating layer is formed by attaching or coating a toner functional substance onto the surface of the toner base particles using at least one of supercritical fluids and sub-supercritical fluids.