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:
Sep. 11, 1979
Filed:
May. 26, 1978
Irving Serlin, Springfield, MA (US);
Monsanto Company, St. Louis, MO (US);
Abstract
An electrographic recording material comprising a conductive sheet support coated with an electrically insulating layer comprising an intimate blend of a polymeric binder and up to 500 parts of an inert finely divided pigment per 100 parts by weight of polymeric binder. The binder comprises from about 50 to about 90 parts by weight of a styrene interpolymer or a vinyl acetate polymer and a low molecular weight polystyrene or poly(.alpha.-methylstyrene) of relative viscosity determined at 25.degree. C. in ethyl acetate at a concentration of 2 grams per 100 ml of solution in the range of about 1.04 to about 1.15. The electrographic recording material exhibits improved toner adhesion and reduced toner smear.