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:
Jul. 11, 1995
Filed:
Apr. 25, 1994
Applicant:
Inventors:
Bradley L Beach, Lexington, KY (US);
Donald L Elbert, Lexington, KY (US);
Richard W Holt, Lexington, KY (US);
Ashok Murthy, Lexington, KY (US);
Ajay K Suthar, Lexington, KY (US);
Richard B Watkins, Frankfort, KY (US);
Assignee:
Lexmark International, Inc., Greenwich, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430115 ; 430114 ;
Abstract
A liquid toner for electrostatic imaging having 65-90 percent by weight of solids of terpolymer of about in the weight ratio of about 60/33/7 of styrene, n-butyl acrylate and methacrylic acid, respectively; 10-30 percent by weight of solid of pigment, an ionic or zwitterionic charge director, 1-5 percent by weight aluminum tristearate, and the remainder mineral oil as a vehicle.