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:
Sep. 23, 2014
Filed:
Nov. 20, 2012
Toshiyuki Kabata, Kanagawa, JP;
Momoko Shionoiri, Kanagawa, JP;
Masato Iio, Kanagawa, JP;
Tsuyoshi Asami, Kanagawa, JP;
Toshiyuki Kabata, Kanagawa, JP;
Momoko Shionoiri, Kanagawa, JP;
Masato Iio, Kanagawa, JP;
Tsuyoshi Asami, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image forming method including forming an image of a toner including a wax on a recording medium; fixing the toner image using by an oil-less fixing device; and then forming an overcoat layer on the fixed toner image. When a portion of the fixed toner image having the heaviest toner weight is subjected to an ATR FT-IR analysis, a peak area ratio Ab/Aa falls in a range of 3.0 to 7.0 or a peak area ratio Ab'/Aa′ falls in a range of 0.004 to 0.014, wherein Aa represents the area of a peak present in a range of 2896 cmto 2943 cm, Ab represents the area of a peak present in a range of 2946 cmto 2979 cm, Aa′ represents the area of a peak present in a range of 791 cmto 860 cm, and Ab′ represents the area of a peak present in a range of 2834 cmto 2862 cm.