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:
Jan. 13, 2015
Filed:
Aug. 24, 2012
Tsuyoshi Sugimoto, Shizuoka, JP;
Hiroshi Yamashita, Shizuoka, JP;
Daisuke Asahina, Shizuoka, JP;
Satoyuki Sekiguchi, Shizuoka, JP;
Rintaro Takahashi, Miyagi, JP;
Masana Shiba, Shizuoka, JP;
Yukari Fukuda, Miyagi, JP;
Saki Konno, Kanagawa, JP;
Tsuyoshi Sugimoto, Shizuoka, JP;
Hiroshi Yamashita, Shizuoka, JP;
Daisuke Asahina, Shizuoka, JP;
Satoyuki Sekiguchi, Shizuoka, JP;
Rintaro Takahashi, Miyagi, JP;
Masana Shiba, Shizuoka, JP;
Yukari Fukuda, Miyagi, JP;
Saki Konno, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
To provide a toner, which contains: a non-crystalline polyester resin A obtained through a reaction between a non-linear chain reactive precursor and a curing agent, and having a glass transition temperature of −60° C. to 0° C.; a non-crystalline polyester resin B having a glass transition temperature of 40° C. to 70° C.; and a crystalline polyester resin C, wherein the toner has a glass transition temperature Tg1st of 20° C. to 40° C. as measured with first heating in differential scanning calorimetry (DSC).