- 专利标题： Preparation of unsaturated epoxy ester resin and carboxylated unsaturated epoxy ester resin and photosensitive composition comprising the same
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申请号： US80944申请日： 1993-06-22
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公开(公告)号： US5319060A公开(公告)日： 1994-06-07
- 发明人: Katsue Nishikawa , Yoshichi Hagiwara
- 申请人： Katsue Nishikawa , Yoshichi Hagiwara
- 申请人地址： NY New York
- 专利权人： W. R. Grace & Co.-Conn.
- 当前专利权人： W. R. Grace & Co.-Conn.
- 当前专利权人地址： NY New York
- 优先权： JPX2-315255 19901120
- 主分类号： C08F299/02
- IPC分类号： C08F299/02 ; C08F290/00 ; C08G59/17 ; C08G59/42 ; G03F7/004 ; G03F7/027 ; C08G65/10
摘要：
A method of preparing an unsaturated ester resin having improved storage stability is disclosed. An epoxy compound and polymerizable unsaturated monocarboxylic acid are reacted in the presence of a trivalent organic phosphorous catalyst. The catalyst is subsequently deactivated by oxidation. The resin may then be reacted with an acid anhydride.
公开/授权文献
- USD416623S Multi-lumen catheter connector 公开/授权日：1999-11-16
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