INK COMPOSITION
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United States of America Patent
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Issued Date -
Jan 19, 2017
app pub date -
Feb 26, 2015
filing date -
Feb 28, 2014
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Abstract
The invention describes an ink composition for marking a substrate, said ink composition comprising at least one water miscible C1 to C4 aliphatic alcohol,water and a colorant. The colorant can be obtained from a natural source and can comprise one or more compounds selected from the group consisting of: anthocyanins, curcumin and carminic acid. The invention also concerns the use of the ink composition in the marking of food products and particularly in the marking of eggshells. Methods of applying the ink composition are also disclosed.
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