URETHANE AND OLIGOURETHANE DERIVATIVES AND CORRESPONDING USES AND METHODS FOR PRODUCING WATER MARKS USING THE OFFSET PRINTING TECHNIQUE
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United States of America Patent
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Issued Date -
Dec 2, 2010
app pub date -
May 6, 2008
filing date -
May 7, 2007
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Abandoned
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Abstract
alkylen radical, n is 0 or 1. The molecular weight of the compound is less than 2000 and the NCO value is equivalent to 0. The invention also relates to compositions containing this compound, to methods for producing watermarks using this compound and to uses of these compounds to produce watermarks both in laminar cellulosic materials and in laminar textile materials.
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