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. 05, 1994
Filed:
Feb. 18, 1992
Applicant:
Inventors:
Benzion Landa, Edmonton, CA;
Yaacov Almog, Rehovot, IL;
Peretz Ben-Avraham, Rehovot, IL;
Moshe Levanon, Rehovot, IL;
Assignee:
Spectrum Sciences, B.V., Wassenaar, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430115 ; 430137 ;
Abstract
An improved liquid toner composition for developing latent electrostatic images comprising toner particles, a release agent and a nonpolar dispersant liquid. An agent causing an apparent increase in the cohesivity of the toner particles may be included in the toner composition, or such agent may be used independently of the release agent in the toner composition.