Idemitsu Kosan had 17 patents in batteries during Q2 2024. The patents filed by Idemitsu Kosan Co Ltd in Q2 2024 include a polycarbonate-based resin composition with a specific branching ratio and content of perfluoroalkylsulfonimide. Another patent is for a method and apparatus for producing high purity lithium compound from low-grade lithium carbonate using organic acid and metal hydroxide reactions, along with regeneration of organic acid for reuse. GlobalData’s report on Idemitsu Kosan gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Idemitsu Kosan had no grants in batteries as a theme in Q2 2024.
Recent Patents
Application: Polycarbonate resin composition and molded articles (Patent ID: US20240199849A1)
The patent filed by Idemitsu Kosan Co Ltd. relates to a polycarbonate-based resin composition that includes a specific polycarbonate-based resin and a perfluoroalkylsulfonimide within defined concentration ranges. The branching ratio of the polycarbonate-based resin is crucial, falling between 0.30 mol % and 3.0 mol %, while the perfluoroalkylsulfonimide content should range from 0.05 to 2.0 parts by mass per 100 parts of the resin. Additionally, the composition may include antioxidants, release agents, and silicone compounds within specified limits to enhance its properties.
Furthermore, the patent outlines various claims related to the composition, including the presence of specific types of polycarbonate-based resins, antioxidants, release agents, and silicone compounds, each with defined concentration ranges. The composition's ability to achieve specific characteristics, such as high light transmittance, low haze, flame retardancy, and low YI value, through injection molding under precise conditions is also highlighted. The patent emphasizes the application of this resin composition in optically transparent molded articles, showcasing its versatility and potential for 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.
