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:
Jul. 12, 2016
Filed:
Dec. 05, 2014
Konica Minolta, Inc., Chiyoda-ku, JP;
Chiaki Yamada, Ibaraki, JP;
Mikihiko Sukeno, Ashiya, JP;
Yuya Iwagoe, Kyoto, JP;
Masaaki Oka, Kyoto, JP;
KONICA MINOLTA, INC., Chiyoda-Ku, Tokyo, JP;
Abstract
A liquid developer includes an insulating liquid and toner particles which are dispersed in the insulating liquid and contain a resin and a coloring agent. The resin contains a first resin which is a crystalline urethane-modified polyester resin resulting from increase in chain length of a component derived from a polyester resin by a compound containing an isocyanate group. The toner particles have a peak in a DSC curve in temperature increase at 55° C. or higher, have a peak in the DSC curve in temperature decrease at 30° C. or higher, and have a storage elastic modulus at 80° C., not lower than 1×10Pa and not higher than 1×10Pa.