G - Physics – 03 – G
Patent
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G03G 9/10 (2006.01) G03F 3/10 (2006.01) G03F 7/28 (2006.01)
Patent
CA 1320379
Title PD-2207-A Fluorescent Toners Surface Coated With Polymeric Quaternary Ammonium Compound And Slip Agent Abstract of Invention Fluorescent dry nonelectroscopic toner comprising fluorescent pigmented organic resin particles having a size distribution of 0.2 to 50 micrometers, surface coated with at least 0.1% by weight of silicone oil or fluorocarbon compound, in combination with at least 0.5% by weight of a water soluble, polymeric quaternary ammonium compound as defined. The fluorescent toner is useful in color developing positive- and negative-working photosensitive elements. The toners provide good toning quality and excellent lack of background color, together with stability on aging.
541540
E. I. Du Pont de Nemours And Company
Grubb Eugene L.
Mccallum Brooks & Co.
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