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Patent drawing for Process and materials for marking plastic surfaces
US 7,275,818 B2
Industry & transport US 7,275,818 B2 Expired

Process and materials for marking plastic surfaces

This invention describes a method for making durable inkjet prints on plastic. It involves applying a special receptive coating, made from a mix of water-absorbing polymers and UV-curable materials, onto a transparent lamination film. After printing with water-based ink, the surface is warmed to dry, UV cured, and then protected with an additional layer of lacquer or lamination.

Why it matters: Filed before widespread industrial inkjet adoption and efficient UV LED curing. These advancements could make the process more practical and cost-effective.

Status
ExpiredProtection ended and was never renewed
How hard to build
ModerateEmulsion coating, UV curing lamp, lamination.

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