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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 9169414 B1

PDFFull Text
Date of Patent:
Oct. 27, 2015

Filed:

Sep. 18, 2013

Liquid developer and method for manufacturing the same

Applicant:

Konica Minolta, Inc., Chiyoda-ku, JP;

Inventors:

Yukiko Uno, Kyoto, JP;

Satoshi Matsumoto, Kyoto, JP;

Naoki Yoshie, Ibaraki, JP;

Kenji Hayashi, Hachiouji, JP;

Assignee:

KONICA MINOLTA, INC., Chiyoda-Ku, Tokyo, JP;

Attorney:

Buchanan Ingersoll & Rooney PC

Primary Examiner:

Hoa V Le

Int. Cl.
CPC ...
G03G 9/13 (2006.01); C09D 11/36 (2014.01); G03G 9/08 (2006.01); C09D 11/00 (2014.01); C09D 5/00 (2006.01);
U.S. Cl.
CPC ...
C09D 11/36 (2013.01); C09D 5/00 (2013.01); C09D 11/00 (2013.01); G03G 9/0804 (2013.01); G03G 9/0825 (2013.01); G03G 9/13 (2013.01); G03G 9/131 (2013.01); G03G 9/132 (2013.01);
Abstract

Toner particles contained in a liquid developer have a core-shell structure that first resin particles containing a first resin are attached to or cover surfaces of second resin particles containing a second resin. The second resin satisfies Equations (1) to (2) below. In Equations (1) to (2) below, x represents a number average molecular weight of the second resin and y represents a urethane group concentration (mass %) in the second resin.−0.00003+2.03≦≦−0.00003+6.95  Equation (1)10000≦≦50000  Equation (2)

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Uno, Yukiko. (2015). Liquid developer and method for manufacturing the same (U.S. Patent No. 9169414). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9169414

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