{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9633922","patent":{"patent_number":"US-9633922","title":"Sealing epoxy resin composition, hardened product, and semiconductor device","assignee":null,"inventors":[],"filing_date":"2016-05-14T00:00:00.000Z","publication_date":"2017-04-25T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L","H01L"],"num_claims":8,"abstract":"A sealing epoxy resin composition contains a phosphonium salt shown in Formula (1), an epoxy resin, a hardening agent, and an inorganic filler. In Formula (1), R1-R3 each represent an aryl group having 6 to 12 carbon atoms, R4 represents an alkyl group having 1 to 4 carbon atoms, R6 and R8 each represent either a carboxyl group or a hydroxyl group, R5 and R7 each represent either hydrogen or an alkyl group having 1 to 4 carbon atoms, R9 and R11 represent hydrogen, R10 represents either a carboxyl group or a hydroxyl group, and the relation of r≦1 is satisfied."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Sealing epoxy resin composition, hardened product, and semiconductor device","description":"A sealing epoxy resin composition contains a phosphonium salt shown in Formula (1), an epoxy resin, a hardening agent, and an inorganic filler. In Formula (1), R1-R3 each represent an aryl group havin","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9633922","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-9633922","citation_suggestion":"Patentable. \"Sealing epoxy resin composition, hardened product, and semiconductor device\" (US-9633922). https://patentable.app/patents/US-9633922","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9633922","json":"https://patentable.app/api/llm-context/US-9633922","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T03:54:53.412Z"}