Patent No. EP3978578 (titled "Opaque Adhesives In Wet Condition For Label Application") was filed by Avery Dennison on Apr 29, 2016. The application was issued on Apr 9, 2025.
An opacifying adhesive composition for pressure-sensitive label applications that maintains opacity when exposed to moisture. The composition comprises an adhesive component and a surface-coated titanium dioxide pigment, with the pigment present in a weight range of 10% to 50% of the adhesive component. This formulation achieves optimal wet stability while maintaining peel adhesion and loop tack, making it suitable for applications where label durability in wet conditions is critical.

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