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US 7,411,036 B2Granted
Acrylated natural resins
AssigneeSun Chemical Corporation
InventorKai-Uwe Gaudl
Life of this patent
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Abstract
An ink formulation comprising an acrylated resin prepared by mixing a hydroxyalkyl acrylate and an isocyanate and reacting said mixture with a resin containing one or more hydroxyl functional groups and derived from a natural product.
Claims13
An ink formulation comprising an acrylated resin made by the method comprising preparing a mixture of a hydroxyalkyl acrylate and a polyfunctional isocyanate;
- and reacting said mixture with rosin ester resin derived from a natural product and which contains more than one hydroxyl functional group and is not a disproportionated rosin resin.
Dependencies are inferred from the claim text.