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Last Updated: October 1, 2020

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Patent: 7,553,424

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Summary for Patent: 7,553,424
Title:Method for controlling sterile water production device
Abstract: In controlling a sterile water production device, if pH of sterile water is smaller than a preset pH, an additional aqueous hypochlorite solution is injected into the sterile water to increase the pH back to the preset pH, and a molar quantity of residual alkaline impurities present in such additional aqueous hypochlorite solution is determined. Next, a predetermined amount of further additional aqueous hypochlorite solution is injected into the sterile water, wherein such predetermined amount is an amount required to yield additional content of hypochlorous acid in a resulting sterile water, to such a degree that a molar quantity of that hypochlorous acid is equal to the foregoing determined molar quantity of residual alkaline impurities. After such injection, pH of sterile water yielded is increased, and an acid aqueous solution is then injected into the sterile water to thereby decrease the increased pH back to the preset pH.
Inventor(s): Yamashita; Koji (Okayama, JP), Shigemoto; Masayuki (Okayama, JP), Masuda; Motoi (Okayama, JP), Nasu; Haruaki (Okayama, JP)
Assignee: HSP Co., Ltd. (Okayama, JP)
Application Number:11/666,436
Patent Claims:see list of patent claims

Details for Patent 7,553,424

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Merck Sharp & Dohme Corp. ZOSTAVAX zoster vaccine live INJECTION, POWDER, LYOPHILIZED, FOR SUSPENSION 125123 1 2006-05-25   Start Trial HSP Co., Ltd. (Okayama, JP) 2025-05-31 search
Merck Sharp & Dohme Corp. ZOSTAVAX zoster vaccine live INJECTION, POWDER, LYOPHILIZED, FOR SUSPENSION 125123 001 2006-05-25   Start Trial HSP Co., Ltd. (Okayama, JP) 2025-05-31 search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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