{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9606089","patent":{"patent_number":"US-9606089","title":"Methods for detecting and reducing impurities of Lapatinib and salts thereof","assignee":null,"inventors":[],"filing_date":"2014-09-10T00:00:00.000Z","publication_date":"2017-03-28T00:00:00.000Z","cpc_codes":["G01N","G01N"],"num_claims":4,"abstract":"Impurities of lapatinib such as N-{3-chloro-4-[(2-fluorobenzyl)oxy]phenyl}-6-[5-({[2-(methylsulfonyl)ethyl]amino}methyl)furan-2-yl]quinazoline-4-amine compound of formula (I) or a salt thereof:and analytical methods for identifying and quantifying such impurities of Lapatinib and salts thereof are provided. Also provided is Lapatinib containing less than about 0.05 percent of this and related impurities and methods for preparing such pure forms of Lapatinib."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Methods for detecting and reducing impurities of Lapatinib and salts thereof","description":"Impurities of lapatinib such as N-{3-chloro-4-[(2-fluorobenzyl)oxy]phenyl}-6-[5-({[2-(methylsulfonyl)ethyl]amino}methyl)furan-2-yl]quinazoline-4-amine compound of formula (I) or a salt thereof:and ana","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9606089","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-9606089","citation_suggestion":"Patentable. \"Methods for detecting and reducing impurities of Lapatinib and salts thereof\" (US-9606089). https://patentable.app/patents/US-9606089","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9606089","json":"https://patentable.app/api/llm-context/US-9606089","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:14:16.263Z"}