US Patent 7920805 Photoconductor formulation containing boron nitride
Patent 7920805 was granted and assigned to Lexmark International, Inc. on April, 2011 by the United States Patent and Trademark Office.
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The present disclosure relates to incorporation of boron nitride in the charge transport layer of a photoconductor. The boron nitride may have an aspect ratio of greater than 1.0, a D50 mean particle size of less than about 10.0 μm and be present at about 5.0% (wt) or less in the charge transport layer. The cartridge may also include toner particles wherein the toner particles have a size range of about 1-25 μm and an average degree of circularity of about 0.90-1.0. The photoconductor containing boron nitride when used in an electrophotographic printer may then provide acceptable dark decay and/or photoinduced decay (PID) curves relative to photoconductors that do not contain boron nitride along with improved resistance to toner filming.
US Patent 07920805 Photoconductor formulation containing boron nitride US Patent 7920805 Photoconductor formulation containing boron nitride
US Patent 07920805 Photoconductor formulation containing boron nitride
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