Nitto Boseki has filed a patent for a glass composition that can be used to create long glass fibers with biosolubility. The composition includes specific ranges of SiO2, B2O3, Al2O3, CaO, and MgO, and must satisfy a specific formula. The patent aims to provide a solution for creating glass fibers that are both durable and safe for human health. GlobalData’s report on Nitto Boseki 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 Nitto Boseki, interlaced yarn fabrics was a key innovation area identified from patents. Nitto Boseki's grant share as of September 2023 was 34%. Grant share is based on the ratio of number of grants to total number of patents.
A recently filed patent (Publication Number: US20230312394A1) describes a glass composition specifically designed for glass fiber production. The composition includes SiO2, B2O3, Al2O3, CaO, and MgO in specific mass ranges. The patent claims that the content of SiO2, B2O3, Al2O3, CaO, and MgO must satisfy certain formulas outlined in the patent.
The glass composition for glass fiber, as claimed in the patent, consists of SiO2 in a range of 35.0 to 55.0% by mass, B2O3 in a range of 10.0 to 30.0% by mass, Al2O3 in a range of 14.5 to 30.0% by mass, and CaO and MgO in a range of 8.7 to 25.0% by mass in total. The patent specifies that the content of SiO2, B2O3, Al2O3, CaO, and MgO must satisfy certain formulas (formulas 1, 2, 3, 4, 5, and 6) outlined in the patent.
Additionally, the glass composition may include TiO2 in a range of 0 to 0.4% by mass. The patent further claims that the glass composition can be used to produce glass fibers with a filament diameter of less than 3.0 µm. These glass fibers can be utilized in various applications, including glass fiber woven fabric and glass fiber-reinforced resin compositions.
In summary, the patent describes a specific glass composition for glass fiber production. The composition includes SiO2, B2O3, Al2O3, CaO, and MgO within specific mass ranges. The patent also outlines formulas that must be satisfied by the content of these components. The glass fibers produced from this composition have a small filament diameter and can be used in glass fiber woven fabric and glass fiber-reinforced resin compositions.
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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.
