发明授权
- 专利标题： Processes for preparing aromatic polycarbonates
- 专利标题（中）： 制备芳族聚碳酸酯的方法
-
申请号： US67245申请日： 1993-05-21
-
公开(公告)号： US5606007A公开(公告)日： 1997-02-25
- 发明人: Takeshi Sakashita , Tomoaki Shimoda , Hideyuki Itoi , Takashi Nagai , Kotarou Kishimura
- 申请人： Takeshi Sakashita , Tomoaki Shimoda , Hideyuki Itoi , Takashi Nagai , Kotarou Kishimura
- 申请人地址： MA Pittsfield
- 专利权人： General Electric Company
- 当前专利权人： General Electric Company
- 当前专利权人地址： MA Pittsfield
- 优先权： JPX1-344042 19891228; JPX2-85218 19900330; JPX2-207076 19900803; JPX2-207078 19900803
- 主分类号： C08K5/00
- IPC分类号： C08K5/00 ; C08G64/20 ; C08G64/30 ; C08G64/40 ; C08K3/00 ; C08K3/32 ; C08K5/1515 ; C08K5/36 ; C08K5/42 ; C08K5/51 ; C08L69/00 ; C08G63/00
摘要：
According to the present invention, there is provided an improvement which comprises adding an acid compound and if necessary an epoxy compound to a reaction product resulting from melt polycondensation reaction of an aromatic dihydroxy compound with a carbonic acid diester in the presence of an alkaline compound catalyst.
公开/授权文献
- USD398706S Kitchen sink 公开/授权日：1998-09-22
信息查询
