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:
Nov. 15, 1977
Filed:
Oct. 24, 1975
Applicant:
Inventors:
Elia P Moschovis, Morton Grove, IL (US);
John L Gilson, Morton Grove, IL (US);
Assignee:
A. B. Dick Company, Niles, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
252 / ; 96 / ; 101451 ; 106-2 ; 427 17 ;
Abstract
A liquid developer for treatment to convert a latent electrostatic image to an ink receptive, water repellent, oleophilic image for use in the production of multiple copies by lithographic technique in which, in addition to the toner particles and organic solvent, the developer contains a polyvinyl acetate as a binder and a hydrophobic colloidal silica in the ratio of 1 part silica to 1.5 to 4 parts binder whereby the oleophilic properties of the image are markedly improved.