Filtration Group has been granted a patent for a multilayer nonporous oxygen absorbing structure designed to resist delamination, particularly from humidity. The structure features a first layer with a polymer phase and a dispersed polyether resin, along with a second bonded layer. GlobalData’s report on Filtration Group 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 Filtration Group, was a key innovation area identified from patents. Filtration Group's grant share as of June 2024 was 45%. Grant share is based on the ratio of number of grants to total number of patents.
Multilayer nonporous oxygen absorbing structure resistant to delamination
The granted patent US12005681B2 describes a multilayer nonporous oxygen absorbing structure designed to enhance the absorption of oxygen through a sophisticated layering system. The structure consists of at least two layers: a first layer that includes a continuous polymer phase, a dispersed polyether resin phase, and a water-activated oxygen absorber, and a second layer that is bonded to the first. The first layer is characterized by an immiscible polymer blend, with the proportions of the polymer and resin phases determined by their viscosity ratio. The patent also outlines the potential for a third layer, which can include various polymer types such as ethylene methyl acrylate and ethylene-vinyl acetate, further enhancing the structure's functionality.
Additionally, the patent specifies various bonding methods between the layers, including chemical, melt, and mechanical bonding. The materials used in the layers are selected from a range of polymers and polyether resins, ensuring versatility in application. The oxygen absorber can be a combination of transition metals and metal halides or electrolytes, contributing to the structure's effectiveness. The first layer may also contain a plasticizer to improve flexibility and performance. The composition of the first layer is quantitatively defined, detailing the weight percentages of each component, which underscores the precision in the formulation of this oxygen absorbing structure. Overall, this patent presents a novel approach to creating effective oxygen barriers through advanced material science.
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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.
