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:
Jul. 16, 1985
Filed:
Dec. 21, 1983
Applicant:
Inventors:
Masumi Asanae, Kumagaya, JP;
Koji Noguchi, Saitama, JP;
Hideyuki Itoi, Hiroshima, JP;
Katsumi Funakoshi, Kawasaki, JP;
Assignees:
Hitachi Metals, Ltd., Tokyo, JP;
Mitsui Petrochemical Industries, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
4301066 ; 430109 ; 430903 ; 524431 ; 524435 ; 252 6254 ;
Abstract
A magnetic toner for pressure fixation containing at least a resin and a magnetic powder as the main components, where the resin is a polymer essentially, containing methyl-1-pentene as the main component and having a softening point of at least 80.degree. C. and a compression yield strength of not more than 150 kg/cm.sup.2, has a good fixability under a low pressure and a good preservability at a high temperature.