{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9746421","patent":{"patent_number":"US-9746421","title":"Apparatuses, indicators, methods and kits with timed color change indication","assignee":null,"inventors":[],"filing_date":"2013-09-26T00:00:00.000Z","publication_date":"2017-08-29T00:00:00.000Z","cpc_codes":["G01N","G01N","A61B","A61B","A61B","G01N"],"num_claims":22,"abstract":"An apparatus, method and kit includes one or more use protocol indicators having a color changeable dye, the dye being translucent or having a first color upon immediate exposure to an environment and for a defined time thereafter and the dye changing color after exposure to the environment for the defined time. A dual environment indicator includes a first indicator color changeable dye being translucent or having a first color upon immediate exposure to a first environment and changing color after exposure to a second environment and a second indicator color changeable dye being translucent or having a first color upon immediate exposure to the second environment and for a defined time thereafter and changing color after exposure to the second environment for the defined time. A time exposure indicator comprises at least one color changeable dye disposed to change color in a sequential manner."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Apparatuses, indicators, methods and kits with timed color change indication","description":"An apparatus, method and kit includes one or more use protocol indicators having a color changeable dye, the dye being translucent or having a first color upon immediate exposure to an environment and","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9746421","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-9746421","citation_suggestion":"Patentable. \"Apparatuses, indicators, methods and kits with timed color change indication\" (US-9746421). https://patentable.app/patents/US-9746421","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9746421","json":"https://patentable.app/api/llm-context/US-9746421","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:37:48.748Z"}