Sonoco Products has been granted a patent for a package design with two panels connected by seams and a barrier coating on the interior surface. The coating does not extend into the seams, ensuring effective protection. GlobalData’s report on Sonoco Products 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 Sonoco Products, Magnetic lids was a key innovation area identified from patents. Sonoco Products's grant share as of February 2024 was 68%. Grant share is based on the ratio of number of grants to total number of patents.
Package with barrier coating not extending into seams
A recently granted patent (Publication Number: US11912486B2) discloses a unique package design comprising two panels connected via longitudinal seams and end seams, with a barrier coating applied to the interior surface of the panels. The barrier coating, made of polyvinyl alcohol in some embodiments, does not extend into the seams, ensuring the package remains free of barriers within these areas. The panels, which can be made of a mono-polymeric material, are folded to form the package, with the option of adding a base panel for stability. Heat seals are used to secure the longitudinal and end seams, providing a secure and efficient packaging solution.
Furthermore, the patent also covers a method for manufacturing the described package, involving the application of a barrier material to the interior surface of the panels before sealing them to create the longitudinal and end seams. The method includes a folding step to align the seams properly, along with the pattern application of a heat-seal material for sealing. The panels, typically made of a polymer material, are designed to be melt-sealed to themselves, ensuring a strong bond. Overall, this patented package design and manufacturing method offer a practical and effective solution for creating barrier-coated packages with secure seams, suitable for various applications such as stand-up pouches.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
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.
