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. 26, 2011
Filed:
Sep. 20, 2005
Hiroshi Yamashita, Numazu, JP;
Chiaki Tanaka, Shizuoka, JP;
Yohichiroh Watanabe, Fuji, JP;
Tsunemi Sugiyama, Yokohama, JP;
Masahiro Ohki, Numazu, JP;
Sonoh Matsuoka, Numazu, JP;
Masahide Yamada, Numazu, JP;
Naohiro Watanabe, Shizuoka, JP;
Akinori Saitoh, Numazu, JP;
Ryota Inoue, Numazu, JP;
Hiroshi Yamashita, Numazu, JP;
Chiaki Tanaka, Shizuoka, JP;
Yohichiroh Watanabe, Fuji, JP;
Tsunemi Sugiyama, Yokohama, JP;
Masahiro Ohki, Numazu, JP;
Sonoh Matsuoka, Numazu, JP;
Masahide Yamada, Numazu, JP;
Naohiro Watanabe, Shizuoka, JP;
Akinori Saitoh, Numazu, JP;
Ryota Inoue, Numazu, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
There are provided: a method for producing a toner containing to granulate a toner and to subjecting the granulated toner to at least washing with an alkali washing solution, in which the total organic carbon amount extractable from the alkali-washed toner is 200 ppm/g or less; a toner comprising polyester in which the total organic carbon amount extractable from the toner is 200 ppm/g or less, under the condition that the toner is subjected to washing with the alkali washing solution before extracting; and an image-forming method using such a toner.