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:
Jan. 13, 1987
Filed:
Sep. 11, 1984
Applicant:
Inventors:
Assignee:
Mitsubishi Paper Mills. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430112 ; 430114 ; 430137 ;
Abstract
Disclosed is a method for producing a resin dispersion type electrophotographic liquid developer containing resin particles dispersed in a high insulation hydrocarbon medium which comprises, in the presence of a first polymer dissolved in said medium which is soluble in said medium and has a polar functional group having adsorptivity to a second polymer, polymerizing a monomer having a polar functional group having adsorptivity to said first polymer to produce the second polymer which is low in solubility in said medium and is substantially particle.