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.:

US 7595140 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 29, 2009

Filed:

Feb. 22, 2007
Applicants:

Koji Akioka, Matsumoto, JP;

Ken Ikuma, Suwa, JP;

Inventors:

Koji Akioka, Matsumoto, JP;

Ken Ikuma, Suwa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/125 (2006.01);
U.S. Cl.
CPC ...
Abstract

A liquid developer includes toner particles formed of a resin material and a coloring agent, and an insulation liquid in which the toner particles are dispersed, the insulation liquid containing ester-exchange oil obtained by an ester-exchange reaction of soybean oil and at least one of semidrying oil and nondrying oil. It is preferred that the insulation liquid further contains fatty acid monoester. Further, it is preferred that the amount of the fatty acid monoester contained in the insulation liquid is in the range of 5 to 50 wt %.


Find Patent Forward Citations

Akioka, Koji. (2009). Liquid developer and image forming apparatus (U.S. Patent No. 7595140). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7595140

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…