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. 26, 1988
Filed:
Sep. 09, 1985
Applicant:
Inventors:
Yoshio Takasu, Toride, JP;
Tetsuo Hasegawa, Tokyo, JP;
Shigeo Kato, Noda, JP;
Yoshihiro Nishikawa, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430122 ; 4301066 ; 430903 ; 430904 ; 430109 ;
Abstract
An improved dry toner for developing latent images is disclosed which comprises essentially a resin and a magnetic powder. The resin includes, as the copolymerization components, at least one monomer selected from the group consisting of styrene and its derivatives and at least one monomer selected from the group consisting of maleic acid and its derivatives.