IP Library Granted Patent US 9,618,866
Granted Patent B2
US 9,618,866 · App. 15/047,679 · Granted Apr 11, 2017

Developer, developer storage body, developing device and image forming apparatus

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Quick Facts
Patent No.
US 9,618,866
App. No.
15/047,679
Granted
Apr 11, 2017
Kind
B2
Abstract

A developer includes a binder resin, a releasing agent; and a brilliant pigment. A peak endothermic amount of the developer measured using a differential scanning calorimetry (DSC) in a second temperature rising process is in a range from 6.20 to 14.40 J/g.

Claims (13)

1. A developer comprising:

a binder resin;

a releasing agent; and,

a brilliant pigment,

wherein a peak endothermic amount of the developer measured using a differential scanning calorimetry (DSC) in a second temperature rising process is in a range from 6.20 to 14.40 J/g.

2. The developer according to claim 1 , wherein the peak endothermic amount of the developer measured using the differential scanning calorimetry in the second temperature rising process is in a range from 7.65 to 9.29 J/g.

3. The developer according to claim 1 , wherein the brilliant pigment has a mean particle size in a range from 5.37 to 10.04 μm.

4. The developer according to claim 1 , wherein the brilliant pigment includes aluminum flakes.

5. The developer according to claim 1 , wherein the binder resin includes polyester.

6. The developer according to claim 1 , wherein the releasing agent includes paraffin wax or ester wax.

7. A developer storage body storing the developer according to claim 1 .

8. A developing device using the developer according to claim 1 .

9. An image forming apparatus including the developing device according to claim 8 .

Assignments (2)
MERGER Recorded Mar 14, 2022
From: OKI DATA CORPORATION
To: OKI ELECTRIC INDUSTRY CO., LTD.
Reel/Frame 059365/0145 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 19, 2016
From: KUWABARA, HIDEHARU
To: OKI DATA CORPORATION
Reel/Frame 037772/0218 →