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:
Aug. 11, 1987
Filed:
Oct. 06, 1986
Applicant:
Inventors:
Yuugo Kumagai, Hitachi, JP;
Isamu Moribe, Hitachi, JP;
Takayuki Saito, Hitachi, JP;
Toshiyuki Fujita, Hitachi, JP;
Akihiro Kobayashi, Ichihara, JP;
Assignee:
Hitachi Chemical Co., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430109 ; 430904 ; 430110 ;
Abstract
A toner for developing latent electrostatic images comprising a copolymer having as an essential component a monomer unit derived from an imido group-containing unsaturated monomer of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are as defined in the specification, has excellent properties such as resistance to adhesion to plasticized polyvinyl chloride, high image density, resistance to fogging, etc.