发明授权
US5371243A Polyethercyclicpolyols from epihalohydrins, polyhydric alcohols, and
metal hydroxides
失效
来自表卤代醇,多元醇和金属氢氧化物的聚醚环多元醇
- 专利标题: Polyethercyclicpolyols from epihalohydrins, polyhydric alcohols, and metal hydroxides
- 专利标题(中): 来自表卤代醇,多元醇和金属氢氧化物的聚醚环多元醇
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申请号: US91466申请日: 1993-07-13
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公开(公告)号: US5371243A公开(公告)日: 1994-12-06
- 发明人: Anne H. Zuzich , George C. Blytas , Harry Frank
- 申请人: Anne H. Zuzich , George C. Blytas , Harry Frank
- 申请人地址: TX Houston
- 专利权人: Shell Oil Company
- 当前专利权人: Shell Oil Company
- 当前专利权人地址: TX Houston
- 主分类号: C07D317/20
- IPC分类号: C07D317/20 ; C07D319/12
摘要:
Method for preparing polyethercyclicpolyol by heating a reaction mixture of an alkali or alkaline earth metal hydroxide with a polyol, adding epihalohydrin to initiate an addition reaction, and heating the mixture until the reaction is complete.
公开/授权文献
- US4791447A Dual mode color fuser 公开/授权日:1988-12-13
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