Novel universal ink jet recording medium

This invention describes a special paper for inkjet printers designed to prevent smudging, resist water, and avoid curling. It achieves this with a unique hardened barrier layer and multiple coatings, including one for quick ink drying and another for water resistance and consistent print quality. The patent specifically claims a paper-based medium with these layers, detailing the substrate's composition.

Why it matters: Since 2001, UV/EB curing technologies have become more efficient and accessible, potentially reducing the cost and complexity of the barrier layer. Additionally, advancements in material science for coatings could offer improved performance for the ink receptive and anti-curl layers.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedChemical formulations, coating processes, specialized materials

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