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:
Sep. 03, 1991
Filed:
Dec. 07, 1989
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430 45 ; 430 46 ; 430106 ; 430394 ; 355326 ;
Abstract
A color image forming method, comprising the steps of: providing a particulate developer comprising at least two species of sensitive particles which are capable of respectively absorbing lights having different wavelengths to be decolorized or faded; developing an electrostatic latent image with the particulate developer to form an image comprising the developer; and exposing the developer image to light having a wavelength capable of selectively decolorizing at least one species of the sensitive particles.