Mitsubishi Paper Mills has patented a paper designed for total heat exchange elements, featuring a base paper made from beaten natural pulp and a hygroscopic agent. The invention specifies that the fine fraction of the pulp must be 10-25% and the fibrillation ratio at least 4.5%. GlobalData’s report on Mitsubishi Paper Mills 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 Mitsubishi Paper Mills, Corrosion resistant battery packaging was a key innovation area identified from patents. Mitsubishi Paper Mills's grant share as of June 2024 was 25%. Grant share is based on the ratio of number of grants to total number of patents.
Paper for total heat exchange with moisture and gas barrier
The granted patent US12006634B2 outlines a novel paper designed for use in total heat exchange elements. The primary composition of this paper includes a base paper made from beaten natural pulp, specifically a softwood bleached kraft pulp, which contains a fine fraction of fibers measuring 0.05 mm or less, constituting 10 to 25% of the pulp. Additionally, the pulp must exhibit a fibrillation ratio of at least 4.5%. A hygroscopic agent is applied to the base paper, with its application ratio ranging from 10 to 24% by weight. The thickness of the paper is specified to be between 20 to 60 micrometers.
The patent further details various claims related to the paper and its applications in total heat exchange elements. It emphasizes the versatility of the paper, allowing for different combinations of the hygroscopic agent and thickness while maintaining the essential characteristics of the beaten natural pulp. The claims also extend to the total heat exchange elements that utilize this specialized paper, indicating its potential for enhanced performance in applications requiring efficient heat exchange.
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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.
