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. 26, 2017
Filed:
Jun. 15, 2016
Konica Minolta, Inc., Tokyo, JP;
KONICA MINOLTA, INC., Tokyo, JP;
Abstract
An electrostatic image developing toner includes: a binder resin containing a crystalline polyester resin and an amorphous resin, wherein when, in differential scanning calorimetry of the toner according to ASTM D3418-8, a temperature of an endothermic peak derived from the crystalline polyester resin in a first heating process is defined as Tm1 (° C.), an endothermic quantity based on the endothermic peak in the first heating process is defined as ΔH1 (J/g), an endothermic quantity based on the endothermic peak in a second heating process is defined as ΔH2 (J/g), and a softening temperature is defined as T(° C.), Tm1 is 60 to 80° C., Tis 95 to 125° C., and ΔH1 and ΔH2 satisfy the relationship represented by the following Formula (1) and (2):