Daiwa Securities Group. has been granted a patent for a method to assess the feasibility of filling aluminum cans with various wines. The process involves measuring pH, alcohol concentration, and free sulfite levels, calculating molecular SO2 concentrations, and evaluating the quality of the canned wines post-storage. GlobalData’s report on Daiwa Securities Group 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 Daiwa Securities Group, Virtual banking assistant was a key innovation area identified from patents. Daiwa Securities Group's grant share as of July 2024 was 43%. Grant share is based on the ratio of number of grants to total number of patents.
The patent US12066421B2 outlines a method for assessing the feasibility of filling aluminum cans with various types of wine. The process begins by acquiring key chemical parameters—pH, alcohol concentration, and free sulfite concentration—from multiple wine samples. Using these values, the molecular SO2 concentration is calculated for each wine. The wines are then canned and stored, followed by a quality evaluation. An upper limit for the molecular SO2 concentration is established based on the evaluation results, which serves as a benchmark for determining whether a specific wine can be safely filled into an aluminum can.
In addition to the molecular SO2 concentration, the method also incorporates the measurement of chloride ion concentration, with an upper limit set at 350 mg/L. For any wine intended for canning, if either the molecular SO2 concentration or the chloride ion concentration exceeds the established limits, that wine is excluded from the filling process. The patent further details the construction of the aluminum can, which includes an aluminum sheet, a resin film, and an adhesive layer, with specific materials outlined for the resin film to ensure compatibility with the wine. This comprehensive approach aims to enhance the quality and safety of canned wines while providing a systematic method for evaluating their feasibility for aluminum canning.
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