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:
Jun. 16, 1981
Filed:
Mar. 31, 1980
Applicant:
Inventors:
Stewart H Merrill, Rochester, NY (US);
Alec N Mutz, Rochester, NY (US);
Frederick A Stahly, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430119 ;
Abstract
A negatively charged liquid electrographic developer comprising an electrically insulating carrier liquid such as a paraffinic hydrocarbon fraction, having stably dispersed therein (a) a halogenated polymer, such as chlorinated polyethylene, and having dissolved therein (b) a copolymer of a quaternary ammonium salt monomer and a solubilizing monomer and (c) a copolymer of a polar monomer and a solubilizing monomer.