发明名称 PREPARATION OF NEUTRAL SALT SOLUTIONS OF PHOSPHONOCARBOXYLICACIDS
摘要 BP File No. BP File No. 6720-1 A substantially 100% active aqueous solution of the phosphonocarboxylic acid and one or more hydroxides, wherein the solution has a pH in the range from about 6.5 to about 8.5. In an alternate embodiment, a dry, free flowing mixture comprising a phosphonocarboxylic acid, calcium chloride being, on average, a di-hydrate, and a sufficient amount of hydroxide to form a partially neutralized phosphonocarboxylic acid salt is disclosed.
申请公布号 CA2067668(A1) 申请公布日期 1993.10.31
申请号 CA19922067668 申请日期 1992.04.30
申请人 ANCO CHEMICALS LIMITED 发明人 HUMPHREY, JOHN
分类号 C07F9/38;C23F11/167;(IPC1-7):C07F9/38 主分类号 C07F9/38
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