Glossy medium for inkjet printing

This invention describes a special kind of glossy paper or film designed for inkjet printers. It has a base layer, like paper, topped with a unique undercoat made from a blend of acrylic-polyurethane and polyoxazoline polymers, which specifically does not contain any pigments. On top of this undercoat is the final ink-receiving layer, which contains tiny mineral particles and a binder to absorb the ink and create a vibrant, glossy print.

Why it matters: Since 2009, advancements in polymer synthesis and coating application methods may have made the specific hybrid polymers and multi-layered structure more cost-effective or performant. This could improve the viability of producing this glossy inkjet medium today.

Status: ExpiredProtection ended and was never renewed
How hard to build: SpecializedPolymer chemistry, coating equipment, material science.

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