Coherent has been granted a patent for a method of preparing an immobilized selenium body. The process involves forming a mixture of selenium and self-templated porous carbon, heating it above selenium’s melting temperature, and then cooling it to room temperature. The self-templated porous carbon is created through a specific process involving carbonizing a salt. GlobalData’s report on Coherent 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 Coherent, Lithium-ion batteries was a key innovation area identified from patents. Coherent's grant share as of May 2024 was 47%. Grant share is based on the ratio of number of grants to total number of patents.
Method of preparing immobilized selenium body using selenium-carbon mixture
A recently granted patent (Publication Number: US12002948B2) discloses a method for preparing an immobilized selenium body. The process involves forming a mixture of selenium and self-templated porous carbon, heating the mixture above the melting temperature of selenium, and allowing it to cool to room temperature, resulting in the formation of the immobilized selenium body. The self-templated porous carbon is created through a specific process involving carbonizing a salt until crystallized salt forms in the melt, increasing the melt's viscosity to coat crystallites' surfaces, and solidifying carbon on the crystallites' surfaces.
Furthermore, the patent claims include variations in the method, such as incorporating oxygen species into the self-templated porous carbon, subjecting the carbon to a post-treatment process to enhance oxygen species, and adding sulfur or tellurium to the mixture. The post-treatment process involves reacting the carbon with oxidizing agents like nitric acid, hydrogen peroxide, or organic peroxides. The patent also specifies various salts that can be used in the process, such as carbonate, citrate, gluconate, tartrate, bicarbonate, and oxalate anions, with examples like potassium carbonate, sodium citrate, and potassium gluconate. These detailed claims provide a comprehensive overview of the method for preparing an immobilized selenium body using self-templated porous carbon and specific salts.
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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.
