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:
Feb. 03, 2009
Filed:
Jul. 30, 2003
Kenichi Matsumura, Koka-gun, JP;
Akihiro Niki, Minato-ku, JP;
Takashi Shinjo, Mishima-gun, JP;
Hideyuki Takahashi, Mishima-gun, JP;
Kenichi Matsumura, Koka-gun, JP;
Akihiro Niki, Minato-ku, JP;
Takashi Shinjo, Mishima-gun, JP;
Hideyuki Takahashi, Mishima-gun, JP;
Mitsui Chemicals, Inc., Tokyo, JP;
Abstract
It is an object of the present invention to provide a resin composition for a toner and a toner excellent in low temperature fixation property, high temperature offset resistance, blocking resistance, and excellent in coloration. The present invention relates to a resin composition for a toner, which contains a crystalline polymer having a melting point of 180 to 280° C. and heat absorption of 25 to 150 mJ/mg at a melting point measured by a differential scanning calorimeter (DSC) and a non-crystalline polyester having a glass transition temperature of 30 to 80° C.