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:
Sep. 10, 2019
Filed:
Mar. 05, 2018
Mitsubishi Chemical Corporation, Chiyoda-ku, JP;
Tadahiro Ozawa, Tokyo, JP;
Mitsubishi Chemical Corporation, Chiyodu-ku, JP;
Abstract
Disclosed herein is a master batch for toners, said master batch containing an acrylic polymer (A) and a polyester resin (B1) in a specific mass ratio. A toner disclosed herein contains the master batch and a polyester resin (B2), and has a content of the acrylic polymer (A) of 5% by mass or less. Methods for producing a master batch for toners are also disclosed herein and include a step of mixing an acrylic polymer (A) and a polyester resin (B1) in a specific mass ratio. Methods for producing a toner are also disclosed herein and include a step of mixing the master batch and a polyester resin (B2) so that a content of the acrylic polymer (A) is at a specific amount.