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:
Mar. 26, 2013
Filed:
Apr. 28, 2011
Applicants:
Hiroyuki Konno, Tokyo, JP;
Kazuhiko Nakajima, Tokyo, JP;
Inventors:
Hiroyuki Konno, Tokyo, JP;
Kazuhiko Nakajima, Tokyo, JP;
Assignee:
Konica Minolta Business Technologies, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is an electrostatic image developing toner containing, (i) toner particles containing: a binder resin having a domain-matrix structure; and (ii) a colorant; wherein the toner particles have a volume-based median diameter of 4.3 to 7.0 μm; a domain phase in the binder resin contains a polymer containing a structure unit derived from a diene monomer, the domain phase has a Feret diameter of 50 to 300 nm; and a glass transition temperature of the polymer composing the domain phase is −85 to +35° C.