Avery Dennison has patented a coated substrate with a topcoat free of PVC, using a base polymer of polyvinylpyrrolidone copolymer and cationic acrylic resin. The topcoat includes a pigment system and may have comparable performance to PVC-coated substrates. GlobalData’s report on Avery Dennison gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Avery Dennison, Pressure Sensitive Adhesive Tape was a key innovation area identified from patents. Avery Dennison's grant share as of February 2024 was 70%. Grant share is based on the ratio of number of grants to total number of patents.
A recently granted patent (Publication Number: US11926755B2) discloses a topcoat formulation for coated substrates, comprising a base polymer and a pigment system. The base polymer includes a polyvinylpyrrolidone copolymer and a cationic acrylic resin, with the topcoat containing at least 35 wt. % cationic acrylic resin and 0.01 to 40 wt. % pigment system. Importantly, the topcoat is notably free of polyvinyl chloride, ensuring a specific composition for enhanced performance.
Furthermore, the patent details a method for forming the coated substrate, involving applying the topcoat formulation onto a substrate and drying it to create a coated surface. The application process, ranging from 1 to 20 gsm, can be done through various coating methods like gravure coating or knife coating. Additionally, the method allows for customization by printing text or images on the topcoat, providing versatility in creating visually appealing coated substrates.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
