Support material for recording layers
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United States of America Patent
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Mar 21, 2006
Issued Date -
N/A
app pub date -
Feb 16, 2001
filing date -
Feb 18, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A support material comprises a raw paper that may be coated on at least one side with a synthetic resin, and the raw paper or the resin coating on the raw paper is provided at least on the front side with a pigment layer wherein the pigment layer contains at least about 5% by weight of a pigment with a narrow grain size distribution, whereby at least about 70% of these pigment particles feature a size of less than 1 μm and at least 40% by weight of these particles feature a grain size of 0.35 to 0.8 μm, or in that the pigment coating is a structured calcium carbonate, for example surface-modified, and both embodiments feature improved surface properties.
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