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. 22, 1999
Filed:
Jul. 02, 1997
Applicant:
Inventors:
Assignee:
Mitsubishi Rayon Company Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
5263186 ; 5263231 ; 5263232 ;
Abstract
Toner resin consisting of a polymer which comprises (a) an aromatic vinyl unit, (b) an acrylic or methacrylic compound unit and (c) a polyfunctional compound unit, and which has a tetrahydrofuran insoluble content of 5-60%, a maximum peak molecular weight of no more than 20,000 in the molecular weight distribution of the tetrahydrofuran soluble portion as measured by gel permeation chromatography, and a weight average polymerization degree of no more than 180, as well as a process for its production. The resulting toner resin has an excellent fixing property, non-offsetting property, blocking resistance and image stability.