Carmine colorants
First Claim
Patent Images
1. A compound comprising:
- a polymer having a backbone; and
a modified carmine;
wherein the modified carmine comprises at least one carmine moiety and at least one conjugating molecule; and
wherein the modified carmine is (a) an integral part of the polymer backbone;
or (b) wherein the modified carmine is covalently attached to a reaction site on the polymer.
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Abstract
The present disclosure provides a modified carmine which can comprise polymers, such as, polyesters, or conjugating molecules, such as, polycarboxylic acids.
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Citations
16 Claims
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1. A compound comprising:
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a polymer having a backbone; and a modified carmine; wherein the modified carmine comprises at least one carmine moiety and at least one conjugating molecule; and wherein the modified carmine is (a) an integral part of the polymer backbone;
or (b) wherein the modified carmine is covalently attached to a reaction site on the polymer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification