{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11305236","patent":{"patent_number":"US-11305236","title":"Surface tension driven filtration","assignee":null,"inventors":[],"filing_date":"2020-09-04T00:00:00.000Z","publication_date":"2022-04-19T00:00:00.000Z","cpc_codes":["G01N"],"num_claims":21,"abstract":"Disclosed is a device for extracting a filtrate from a liquid sample that includes one or more filtration membranes and, in physical contact with a portion of the downstream surface(s) of the filtration membrane(s), a soluble matrix possessing a capillary drawing force sufficient to draw filtrate through the at least one filtration membrane and into the soluble matrix, causing the soluble matrix to at least partially dissolve or disintegrate in the filtrate, whereby the filtrate is released. Various configurations, including device configurations having two filtration membranes with a soluble matrix in between or having a tubular filtration membrane at least partially surrounding or surrounded by a soluble matrix are described."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Surface tension driven filtration","description":"Disclosed is a device for extracting a filtrate from a liquid sample that includes one or more filtration membranes and, in physical contact with a portion of the downstream surface(s) of the filtrati","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11305236","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-11305236","citation_suggestion":"Patentable. \"Surface tension driven filtration\" (US-11305236). https://patentable.app/patents/US-11305236","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11305236","json":"https://patentable.app/api/llm-context/US-11305236","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T01:34:06.598Z"}