{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8470953","patent":{"patent_number":"US-8470953","title":"Sealing material for optical element and sealed optical element","assignee":null,"inventors":[],"filing_date":"2011-08-01T00:00:00.000Z","publication_date":"2013-06-25T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":10,"abstract":"A sealing material for optical elements with excellent transparency, crack resistance, and heat resistance which can produce a cured product of the sealing material and a sealed optical element are provided. The sealing material for optical elements comprising a compound with a ladder structure, which contains a repeating unit of the following formula (A) in the molecule as a major component, the compound being obtained by condensing a compound (1) shown by the formula, R1Si(OR3)P(X1)3-p, and a compound (2) shown by the formula, R2Si(OR4)q(X2)3-q, at a molar ratio of 1:9 to 10:0 in the presence of a phosphoric acid catalyst,wherein R1 represents a group having a reactive functional group, R2 represents an alkyl group having 1 to 20 carbon atoms, R3 and R4 individually represents an alkyl group having 1 to 6 carbon atoms, X1 and X2 individually indicate a halogen atom, p and q individually represent an integer from 0 to 3, and l, m, and n individually represent 0 or an arbitrary integer, provided that l and n are not 0 at the same time."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Sealing material for optical element and sealed optical element","description":"A sealing material for optical elements with excellent transparency, crack resistance, and heat resistance which can produce a cured product of the sealing material and a sealed optical element are pr","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8470953","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-8470953","citation_suggestion":"Patentable. \"Sealing material for optical element and sealed optical element\" (US-8470953). https://patentable.app/patents/US-8470953","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8470953","json":"https://patentable.app/api/llm-context/US-8470953","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:58:12.306Z"}