发明授权
- 专利标题: Solvent systems
- 专利标题(中): 溶剂系统
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申请号: US10177130申请日: 2002-06-21
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公开(公告)号: US06878846B2公开(公告)日: 2005-04-12
- 发明人: Justin Mark Cowan , Christopher John Harris , Michael John Harrison
- 申请人: Justin Mark Cowan , Christopher John Harris , Michael John Harrison
- 申请人地址: GB Oldbury
- 专利权人: Rhodia Consumer Specialties Ltd.
- 当前专利权人: Rhodia Consumer Specialties Ltd.
- 当前专利权人地址: GB Oldbury
- 代理机构: Frishauf, Holtz, Goodman & Chick, P.C.
- 优先权: GB0115824 20010628
- 主分类号: C07F9/38
- IPC分类号: C07F9/38 ; C07F9/553 ; C07C9/38
摘要:
In a method for making bisphosphonates by reacting a carbonyl compound with a phosphorus halide, the reaction is carried out in a solvent/carrier system which is a mixture of an amine hydrochloride, phosphorous acid and optionally phosphoric acid.
公开/授权文献
- US20030013918A1 Solvent systems 公开/授权日:2003-01-16
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