{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9803108","patent":{"patent_number":"US-9803108","title":"Aqueous compositions of stabilized aminosilane group containing silica particles","assignee":null,"inventors":[],"filing_date":"2016-10-19T00:00:00.000Z","publication_date":"2017-10-31T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L"],"num_claims":11,"abstract":"The present invention provides aqueous chemical mechanical planarization (CMP) polishing compositions have excellent heat aging and shelf stability in the form of concentrates comprising a mixture of a compound containing two quaternary ammonium groups, such as hexabutyl C1-C8 alkanediammonium dihydroxides or salts thereof, preferably N,N,N,N′,N′,N′-hexabutyl-1,4-butanediammonium dihydroxide (HBBAH), and aminosilane group containing silica particles in the amount of from 1 to 30 wt. % or, preferably, from 15 to 22 wt. %, as solids based on the total weight of the composition, the composition having a pH ranging from 3 to 5 or, preferably, from 3.5 to 4.5 wherein the composition is stable against visible precipitation or sedimentation at a 15 wt. % solids content after heat aging at a temperature of 45° C. for at least 6 days."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Aqueous compositions of stabilized aminosilane group containing silica particles","description":"The present invention provides aqueous chemical mechanical planarization (CMP) polishing compositions have excellent heat aging and shelf stability in the form of concentrates comprising a mixture of ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9803108","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-9803108","citation_suggestion":"Patentable. \"Aqueous compositions of stabilized aminosilane group containing silica particles\" (US-9803108). https://patentable.app/patents/US-9803108","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9803108","json":"https://patentable.app/api/llm-context/US-9803108","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:31:39.735Z"}