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:
Oct. 30, 1990
Filed:
Jun. 06, 1988
Applicant:
Inventors:
Yehuda Niv, Rehovot, IL;
Benzion Landa, Edmonton, CA;
Moshe Levanon, Rehovot, IL;
Israel Grossinger, Rehovot, IL;
Yossi Adam, Rehovot, IL;
Assignee:
Spectrum Sciences, Rotterdam, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430115 ;
Abstract
A liquid toner composition for use in development of a latent electrostatic image in an electrostatic imaging process, which comprises an insulating, nonpolar liquid having admixed therewith a first type of pigmented particles carrying charges of a first polarity and a second type of pigmented particles carrying charges of a second polarity, opposite to the first polarity.