Kobayashi Pharmaceutical has patented a chemical body warmer designed to provide sufficient heat in low-temperature environments. The flat housing contains cells with an exothermic composition, totaling at least 200 cm2 in area. The warmer, meant to be used under a blanket, generates heat with a total heat generation factor of 4.0×106° C.·min·cm2 or more. GlobalData’s report on Kobayashi Pharmaceutical 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 Kobayashi Pharmaceutical, Nanoemulsion cosmetics was a key innovation area identified from patents. Kobayashi Pharmaceutical's grant share as of April 2024 was 45%. Grant share is based on the ratio of number of grants to total number of patents.
Chemical body warmer generating heat effectively in low temperatures
A recently granted patent (Publication Number: US11944570B2) discloses a chemical body warmer designed to generate heat upon contact with air. The device, housed in a flat structure with one or multiple cells containing an exothermic composition, is intended to be placed under a blanket for use. The total area of the cell or cells in the housing must be 200 cm2 or more, with a minimum total heat generation factor (HGF) value of 4.0×106° C.·min·cm2. Additionally, the warmer is expected to reach a temperature of 30° C. or higher when exposed to 0° C temperature conditions.
Furthermore, the patent outlines specific details regarding the composition and design of the chemical body warmer. The total amount of the exothermic composition within the housing should fall within the range of 70 to 1,000 g, with an oxidizable metal component ranging from 20 to 800 g. The device is structured to contain 2 to 20 cells and is primarily intended for use on lower limbs, such as the knee and thigh. A method for warming the body using this chemical body warmer involves placing it under a blanket on the desired body region. These claims highlight the innovative features and functionality of the patented chemical body warmer, offering a unique solution for generating heat efficiently and effectively.
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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
