发明名称 PROCESSES FOR PRODUCING POLYTRIMETHYLENE ETHER GLYCOL AND COPOLYMERS THEREOF
摘要 Processes for producing polytrimethylene ether glycol and copolymers thereof are provided wherein, by condensing and recycling at least a portion of the vapor phase produced as the reaction progresses, the yield loss and polymer color are reduced.
申请公布号 KR20120112622(A) 申请公布日期 2012.10.11
申请号 KR20127019201 申请日期 2010.12.17
申请人 E.I. DU PONT DE NEMOURS AND COMPANY 发明人 HOFFMANN CHRISTIAN;JACKSON SCOTT CHRISTOPHER;MURPHY EDWARD R.;RAJAGOPALAN BHUMA
分类号 C08G65/34;C07C41/09;C07C43/11;C08G65/46 主分类号 C08G65/34
代理机构 代理人
主权项
地址