{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-12007373","patent":{"patent_number":"US-12007373","title":"Liquid chromatograph","assignee":null,"inventors":[],"filing_date":"2019-03-13T00:00:00.000Z","publication_date":"2024-06-11T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N"],"num_claims":7,"abstract":"A liquid chromatograph includes a liquid sending pump for sending a mobile phase, a sample injector that injects a sample into an analysis flow path through which a mobile phase from the liquid sending pump flows, a separation column that is provided on the analysis flow path and is to separate a sample that has been injected into the analysis flow path by the sample injector into components, a pressure sensor for detecting a liquid sending pressure in the analysis flow path located at a position farther upstream than the separation column, a damper capacity holder that holds an internal capacity of a system through which a mobile phase from the liquid sending pump flows as a damper capacity, a reference value determiner configured to determine a reference value of a fluctuation range of the liquid sending pressure when a liquid sending failure of the liquid sending pump occurs, using at least the damper capacity held by the damper capacity holder, and a liquid sending failure detector that is configured to periodically acquire a liquid sending pressure detected by the pressure sensor, obtain a fluctuation range of the liquid sending pressure in a certain driving period of the liquid sending pump and detect a liquid sending failure using the obtained fluctuation range and the reference value determined by the reference value determiner."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Liquid chromatograph","description":"A liquid chromatograph includes a liquid sending pump for sending a mobile phase, a sample injector that injects a sample into an analysis flow path through which a mobile phase from the liquid sendin","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-12007373","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-12007373","citation_suggestion":"Patentable. \"Liquid chromatograph\" (US-12007373). https://patentable.app/patents/US-12007373","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-12007373","json":"https://patentable.app/api/llm-context/US-12007373","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T16:15:42.750Z"}