Kurita Water Industries patented a water treatment chemical for membranes containing a specific polymer compound with carboxyl and sulfo groups. The method involves adding this chemical to membrane feed water with organic compounds for membrane separation treatment. The polymer compound has a mass-average molecular weight of 8000 to 15000. GlobalData’s report on Kurita Water Industries 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 Kurita Water Industries, Reverse osmosis and nano-filtration was a key innovation area identified from patents. Kurita Water Industries's grant share as of May 2024 was 41%. Grant share is based on the ratio of number of grants to total number of patents.
Water treatment chemical for membranes with specific polymer compound
A recently granted patent (Publication Number: US11958019B2) discloses a water treatment chemical for membranes designed to improve the efficiency of membrane separation treatments. The chemical contains a polymer compound with specific functional groups and a defined molecular weight range of 8000 to 15000. This polymer compound is crucial for enhancing the performance of membranes in treating water containing organic compounds with phenolic hydroxy groups.
Furthermore, the patent outlines a membrane treatment method utilizing the water treatment chemical for membranes described in the previous claim. The method involves adding the chemical to membrane feed water during membrane separation treatments, particularly in reverse osmosis processes. The concentration of the polymer compound in the water to be treated is specified to be between 0.01 to 50 mg/L. The effectiveness of the treatment is evaluated based on specific conditions related to the quality of filtered water, the concentration of organic carbon, and the presence of polyvalent metal cations in the treated water. This innovative approach aims to optimize membrane performance and ensure the quality of the treated water meets stringent standards.
To know more about GlobalData’s detailed insights on Kurita Water Industries, buy the report here.
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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.
