Concentrated compositions for coating corrugated board
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United States of America Patent
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Dec 23, 1986
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N/A
app pub date -
Jul 2, 1985
filing date -
Jul 2, 1985
priority date (Note) -
Expired
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Abstract
Concentrated aqueous solutions of at least about 20 wt. % of finely divided silica and at least about 15 to 20 wt. % urea are coated on corrugated board effectively and easily by sponging, the coating having non-skid properties, the quality of printing being enhanced and warp being reduced.
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