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:
Jun. 13, 2000
Filed:
Aug. 12, 1997
Applicant:
Inventors:
Sonoo Matsuoka, Tochigi-ken, JP;
Kaoru Kajino, Tochigi-ken, JP;
Takashi Terabayashi, Tochigi-ken, JP;
Hiroshi Serizawa, Saitama-ken, JP;
Assignee:
Nippon Carbide Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; C08L / ;
U.S. Cl.
CPC ...
430137 ; 430138 ; 525197 ; 525198 ; 525241 ;
Abstract
A process for producing a binder resin for a toner comprising the steps of (1) mixing a substantially solventless resin (A) and an emulsion of a resin (B) different from resin (A) with stirring and (2) evaporating water from the mixture of resin (A) and the emulsion of resin (B) simultaneously with or after the step (1) to obtain a substantially solventless resin composition.