发明授权
- 专利标题: Preparation of resins from phenolic compounds and oxazolines using ammonium or phosphonium salt catalysts
- 专利标题(中): 使用铵或鏻盐催化剂由酚类化合物和恶唑啉制备树脂
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申请号: US38417申请日: 1993-03-29
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公开(公告)号: US5302687A公开(公告)日: 1994-04-12
- 发明人: Billy M. Culbertson , Omar Tiba , Gilbert M. Gynn
- 申请人: Billy M. Culbertson , Omar Tiba , Gilbert M. Gynn
- 申请人地址: KY Russell
- 专利权人: Ashland Oil, Inc.
- 当前专利权人: Ashland Oil, Inc.
- 当前专利权人地址: KY Russell
- 主分类号: C08G65/26
- IPC分类号: C08G65/26 ; C08G69/40 ; C08G65/40 ; C08G69/44
摘要:
A process for preparing a polymeric composition comprising reacting a mixture of at least one phenolic compound and at least one oxazoline compound in the presence of a catalytic amount of at least one ammonium salt and a tetracarbyl phosphonium salt, and optionally also in the presence of an alkyl halide is described.
公开/授权文献
- US5926934A Method for forming a row of slide fastener elements 公开/授权日:1999-07-27
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