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:
Nov. 26, 2013
Filed:
Jan. 19, 2011
Applicants:
Yoshihiro Ueno, Shiojiri, JP;
Masahiro Oki, Iruma, JP;
Tsutomu Teraoka, Matsumoto, JP;
Ken Ikuma, Suwa, JP;
Inventors:
Yoshihiro Ueno, Shiojiri, JP;
Masahiro Oki, Iruma, JP;
Tsutomu Teraoka, Matsumoto, JP;
Ken Ikuma, Suwa, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
A liquid developer contains a liquid insulator formed of a liquid hydrocarbon, toner particles formed by chemically modifying surfaces of mother toner particles formed of a material containing a rosin-based resin and a polyester resin with a polyalkyleneimine, and a metal soap dissolved in the liquid insulator.