{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9761261","patent":{"patent_number":"US-9761261","title":"Magnetic recording medium and magnetic coating composition for magnetic recording medium","assignee":null,"inventors":[],"filing_date":"2015-03-30T00:00:00.000Z","publication_date":"2017-09-12T00:00:00.000Z","cpc_codes":["G11B","G11B","G11B","G11B"],"num_claims":15,"abstract":"An aspect of the present invention relates to a magnetic recording medium, which comprises a magnetic layer comprising ferromagnetic powder and binder on a nonmagnetic support, wherein the magnetic layer further comprises a compound which has a weight average molecular weight of equal to or more than 1,000 but less than 20,000 and is denoted by formula (1):wherein, in formula (1), A1 denotes a monovalent polymer group, each of R1 and R2 independently denotes a single bond or a divalent connecting group, R11 denotes a hydrogen atom or a monovalent substituent, m denotes an integer of equal to or greater than 2, multiple instances of R1, R2, A1, and R11 that are present can be identical or different, A2 denotes a hydrogen atom or a monovalent substituent denoted by —OR3—Z, R3 denotes a single bond or a divalent connecting group, Z denotes a monovalent acid group, among multiple instances of A2 that are present, at least one denotes a monovalent group denoted by —O—R3—Z, and X denotes a connecting group of valence m."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Magnetic recording medium and magnetic coating composition for magnetic recording medium","description":"An aspect of the present invention relates to a magnetic recording medium, which comprises a magnetic layer comprising ferromagnetic powder and binder on a nonmagnetic support, wherein the magnetic la","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9761261","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-9761261","citation_suggestion":"Patentable. \"Magnetic recording medium and magnetic coating composition for magnetic recording medium\" (US-9761261). https://patentable.app/patents/US-9761261","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9761261","json":"https://patentable.app/api/llm-context/US-9761261","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T05:00:05.403Z"}