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. 29, 2013
Filed:
Jan. 06, 2010
Mikio Kouyama, Tokyo, JP;
Kenji Hayashi, Tokyo, JP;
Hiroaki Obata, Tokyo, JP;
Noriyuki Kinpara, Tokyo, JP;
Hiroshi Nagasawa, Tokyo, JP;
Yasuhiko Muramatsu, Tokyo, JP;
Mikio Kouyama, Tokyo, JP;
Kenji Hayashi, Tokyo, JP;
Hiroaki Obata, Tokyo, JP;
Noriyuki Kinpara, Tokyo, JP;
Hiroshi Nagasawa, Tokyo, JP;
Yasuhiko Muramatsu, Tokyo, JP;
Konica Minolta Business Technologies, Inc., Tokyo, JP;
Abstract
Disclosed is a toner including: a resin; coloring agent and release agent including compound or compounds represented by the following general formula (1): R—(COO—R), wherein Ris a linking group having carbon number of 2 to 8 which may be a cyclic structure and may have a hydroxy group or fatty acid ester group; and each Ris an alkyl group having carbon number of N, (N-2) or (N-4) independently, N is a natural number from 10 to 30, and n is a natural number from 3 to 4, Rwith carbon number of N is 80 to 97 percent by mass, Rwith carbon number of (N-2) is 0.0 to 7.8 percent by mass, Rwith carbon number of (N-4) is 3.0 to 13.0 percent by mass, Rwith carbon number of (N-4) is included 1.5 percent by mass or more than Rwith carbon number of (N-2).