发明授权
US07405330B2 Preparation of polytrimethylene ether glycol and copolymers thereof 失效
聚三亚甲基醚二醇的制备及其共聚物

Preparation of polytrimethylene ether glycol and copolymers thereof
摘要:
The present invention relates to a process comprising using ionic liquids for the polycondensation of 1,3-propanediol reactants to produce polytrimethylene ether glycol and copolymers thereof.
信息查询
0/0