Aqueous and transparent coatings for marking substrates
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United States of America Patent
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Feb 4, 2014
Grant Date -
Aug 27, 2009
app pub date -
Jul 17, 2006
filing date -
Jul 25, 2005
priority date (Note) -
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Abstract
The present invention provides a composition, which comprises an aqueous solvent and forms a transparent colorless coating, which yields markings of high contrast on exposure to energy. It also provides a process for the preparation of these compositions, substrates coated with these compositions and a process for their preparation, a process for preparing marked substrates using these compositions and marked substrates obtainable by the latter process.
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