Beiersdorf has been granted a patent for a reactive pressure-sensitive adhesive film. The film includes a polymeric film former matrix, reactive components, and a reagent. At least 30% of the reactive components are present, with over 50% of the film former matrix being a crystallizable polymer meeting specific criteria. GlobalData’s report on Beiersdorf 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 Beiersdorf, was a key innovation area identified from patents. Beiersdorf's grant share as of February 2024 was 49%. Grant share is based on the ratio of number of grants to total number of patents.
A recently granted patent (Publication Number: US11926769B2) discloses a reactive pressure-sensitive adhesive film that comprises a polymeric film former matrix, one or more reactive components, and a reagent selected from an initiator, a curing agent, or an activator. The key feature of this adhesive film is that at least 50% of the polymeric film former matrix is a crystallizable polymer with specific characteristics, including a low crystallization enthalpy and a high crystallite fusion enthalpy. These properties are crucial for the film's performance in various applications, as measured by differential scanning calorimetry (DSC) under specific conditions.
Furthermore, the patent includes detailed claims regarding the composition and properties of the adhesive film, such as the presence of a radical initiator, specific temperature ranges for curing reactions, and the mass fraction of reactive components. The patent also covers variations of the adhesive film, including one where the crystallizable polymer is a polyurethane derived from polyester diols. Additionally, the patent extends to an adhesive film system comprising multiple reactive pressure-sensitive adhesive films in contact with each other, each configured with different reagents to serve specific functions. Overall, the patent provides a comprehensive and detailed description of the innovative adhesive film and its potential applications in various industries.
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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.
