{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11280778","patent":{"patent_number":"US-11280778","title":"Determining chemical oxygen demand","assignee":null,"inventors":[],"filing_date":"2020-07-27T00:00:00.000Z","publication_date":"2022-03-22T00:00:00.000Z","cpc_codes":["G01N"],"num_claims":10,"abstract":"A chemical oxygen demand (COD) of a sample including water is determined. At least two test specimens are obtained. Each of the test specimens include a mixture of the sample and a standard solution including potassium hydrogen phthalate (KHP) in a known concentration. Each of the specimens include a same amount of the sample. Each of the specimens include different amounts of the standard solution. Each of the specimens is diluted with water. A COD of each of the specimens is measured. A COD of the sample is determined based on the measured CODs of the specimens."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Determining chemical oxygen demand","description":"A chemical oxygen demand (COD) of a sample including water is determined. At least two test specimens are obtained. Each of the test specimens include a mixture of the sample and a standard solution i","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11280778","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-11280778","citation_suggestion":"Patentable. \"Determining chemical oxygen demand\" (US-11280778). https://patentable.app/patents/US-11280778","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11280778","json":"https://patentable.app/api/llm-context/US-11280778","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:18:47.961Z"}