{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9841652","patent":{"patent_number":"US-9841652","title":"Electrochromic composition","assignee":null,"inventors":[],"filing_date":"2014-09-16T00:00:00.000Z","publication_date":"2017-12-12T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F"],"num_claims":17,"abstract":"The present invention relates to an electrochromic composition comprising at least one reducing compound, at least one oxidizing compound which is selected from specific viologen derivatives, and at least one dye. Said composition can be used as a variable transmittance medium for the manufacture of an optical article, such as an ophthalmic lens."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Electrochromic composition","description":"The present invention relates to an electrochromic composition comprising at least one reducing compound, at least one oxidizing compound which is selected from specific viologen derivatives, and at l","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9841652","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-9841652","citation_suggestion":"Patentable. \"Electrochromic composition\" (US-9841652). https://patentable.app/patents/US-9841652","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9841652","json":"https://patentable.app/api/llm-context/US-9841652","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:41:32.009Z"}