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:
Oct. 10, 2017
Filed:
Jan. 06, 2015
Applicants:
Kohsuke Nagata, Shizuoka, JP;
Shinya Nakayama, Shizuoka, JP;
Tsuyoshi Sugimoto, Shizuoka, JP;
Hiroshi Yamada, Shizuoka, JP;
Susumu Chiba, Shizuoka, JP;
Shinsuke Nagai, Shizuoka, JP;
Suzuka Amemori, Shizuoka, JP;
Inventors:
Kohsuke Nagata, Shizuoka, JP;
Shinya Nakayama, Shizuoka, JP;
Tsuyoshi Sugimoto, Shizuoka, JP;
Hiroshi Yamada, Shizuoka, JP;
Susumu Chiba, Shizuoka, JP;
Shinsuke Nagai, Shizuoka, JP;
Suzuka Amemori, Shizuoka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 (2006.01); G03G 9/087 (2006.01); C08G 63/12 (2006.01); C08G 63/133 (2006.01); G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 9/08755 (2013.01); C08G 63/12 (2013.01); C08G 63/133 (2013.01); G03G 9/08793 (2013.01); G03G 9/08795 (2013.01); G03G 9/08797 (2013.01); G03G 15/08 (2013.01);
Abstract
A polyester resin for a toner, the polyester resin including: 4,000≦Weight average molecular weight (Mw)≦25,000   Expression (2); and0.5≦(Amount of the trivalent or higher aliphatic alcohol)≦6.5   Expression (3),