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:
Apr. 17, 1984
Filed:
Sep. 02, 1982
Applicant:
Inventors:
Harm H Heikens, Reuver, NL;
Gerardus J Crommentuyn, Lottum, NL;
Assignee:
Oce-Nederland B.V., Venlo, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
430 39 ; 430106 ; 4301066 ; 430137 ; 428407 ;
Abstract
Colored magnetically attractable toner powder for the development of latent electrostatic or magnetic images consists of particles each comprising a magnetically attractable core, preferably spherical, formed of particulate magnetically attractable material or of a dispersion of such material in a binder, a masking layer enveloping the core and containing binder mixed with light-reflecting pigment of submicron particle size, and coloring material applied in and/or onto the masking layer. Processes for preparing the toner powder are disclosed, and a process for developing electrostatic or magnetic latent image patterns by its use.