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.

Date of Patent:
Jan. 31, 2017

Filed:

Aug. 13, 2014
Applicants:

Susumu Chiba, Shizuoka, JP;

Tsuyoshi Sugimoto, Shizuoka, JP;

Shinya Nakayama, Shizuoka, JP;

Kohsuke Nagata, Shizuoka, JP;

Shinsuke Nagai, Shizuoka, JP;

Daisuke Asahina, Shizuoka, JP;

Inventors:

Susumu Chiba, Shizuoka, JP;

Tsuyoshi Sugimoto, Shizuoka, JP;

Shinya Nakayama, Shizuoka, JP;

Kohsuke Nagata, Shizuoka, JP;

Shinsuke Nagai, Shizuoka, JP;

Daisuke Asahina, Shizuoka, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/087 (2006.01);
U.S. Cl.
CPC ...
G03G 9/08755 (2013.01); G03G 9/08793 (2013.01); G03G 9/08795 (2013.01); G03G 9/08797 (2013.01);
Abstract

A toner, including: a polyester resin, wherein the polyester resin includes a diol component and a crosslink component as constituent components thereof, wherein the diol component contains an aliphatic diol having 3 to 10 carbon atoms in an amount of 50 mol % or more, wherein the crosslink component contains a trihydric or higher aliphatic alcohol, and wherein the toner has a glass transition temperature (Tg1st) of 20° C. to 50° C., where the glass transition temperature (Tg1st) is measured in first heating in differential scanning calorimetry (DSC) of the toner.


Find Patent Forward Citations

Loading…