{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8487238","patent":{"patent_number":"US-8487238","title":"Method of identification of petroleum compounds using frequency mixing on surfaces","assignee":null,"inventors":[],"filing_date":"2009-12-07T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["G01N"],"num_claims":22,"abstract":"A method for estimating a chemical composition of a material in a borehole penetrating the earth, the method includes: placing an analysis unit into the borehole; placing a sample of the material onto an enhanced surface of the analysis unit, the enhanced surface having a feature configured to increase an electric susceptibility of the sample at an interface between the sample and the enhanced surface; illuminating the sample at the interface with a first light beam and a second light beam; measuring sum frequency light generated from the illuminating; and analyzing the sum frequency light to estimate the chemical composition of the material."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method of identification of petroleum compounds using frequency mixing on surfaces","description":"A method for estimating a chemical composition of a material in a borehole penetrating the earth, the method includes: placing an analysis unit into the borehole; placing a sample of the material onto","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8487238","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-8487238","citation_suggestion":"Patentable. \"Method of identification of petroleum compounds using frequency mixing on surfaces\" (US-8487238). https://patentable.app/patents/US-8487238","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8487238","json":"https://patentable.app/api/llm-context/US-8487238","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:06:22.925Z"}