{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11994491","patent":{"patent_number":"US-11994491","title":"Method and apparatus for identifying substances using ion mobility based ion separation techniques","assignee":null,"inventors":[],"filing_date":"2019-07-26T00:00:00.000Z","publication_date":"2024-05-28T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N"],"num_claims":19,"abstract":"An ion mobility spectrometry method comprising (i) applying a voltage difference between a first electrode of an ion gate and a second electrode of the ion gate to prevent ions from leaving a reaction region of an ion mobility spectrometer; (ii) opening the ion gate to allow the ions to travel from the reaction region into a modification region between the first electrode and the second electrode; (iii) applying a radio frequency, RF, voltage between the first electrode and the second electrode to fragment the ions in the modification region to provide daughter ions; (iv) allowing the daughter ions to travel from the modification region into a drift region of the ion mobility spectrometer towards a collector; (v) closing the ion gate; and (vi) determining the time of flight of the daughter ions from the ion gate to the collector."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for identifying substances using ion mobility based ion separation techniques","description":"An ion mobility spectrometry method comprising (i) applying a voltage difference between a first electrode of an ion gate and a second electrode of the ion gate to prevent ions from leaving a reaction","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11994491","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-11994491","citation_suggestion":"Patentable. \"Method and apparatus for identifying substances using ion mobility based ion separation techniques\" (US-11994491). https://patentable.app/patents/US-11994491","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11994491","json":"https://patentable.app/api/llm-context/US-11994491","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T11:54:39.983Z"}