发明授权
US5714618A Polymer containing lactic acid as its constituting unit and method for
producing the same
失效
含有乳酸的聚合物作为其构成单元及其制造方法
- 专利标题： Polymer containing lactic acid as its constituting unit and method for producing the same
- 专利标题（中）： 含有乳酸的聚合物作为其构成单元及其制造方法
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申请号： US734474申请日： 1997-01-09
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公开(公告)号： US5714618A公开(公告)日： 1998-02-03
- 发明人: Kunio Kimura , Takeshi Ito , Tomohiro Aoyama , Keiichi Uno , Kiyoshi Hotta , Minako Arichi
- 申请人： Kunio Kimura , Takeshi Ito , Tomohiro Aoyama , Keiichi Uno , Kiyoshi Hotta , Minako Arichi
- 申请人地址： JPX Osaka
- 专利权人： Toyo Boseki Kabushiki Kaisha
- 当前专利权人： Toyo Boseki Kabushiki Kaisha
- 当前专利权人地址： JPX Osaka
- 优先权： JPX5-205181 19930819; JPX6-96550 19940510; JPX6-108505 19940523; JPX6-109791 19940524; JPX6-113013 19940526; JPX6-102496 19940517; JPX6-120380 19940601
- 主分类号： C08G63/08
- IPC分类号： C08G63/08 ; C08G63/82 ; C07D305/00 ; C08F6/00
摘要：
A polymer having a blocked terminal group according to the present invention, represented by the following Formula (I): ##STR1## where R is an alkylene group containing 1 to 20 carbon atoms; X.sub.1 is an acyl group containing 2 to 50 carbon atoms; Y is H, an alkyl group containing 1 to 50 carbon atoms or an alkenyl group containing 1 to 50 carbon atoms; m is a positive integer; and n.sub.1 is 0 or a positive integer.
公开/授权文献
- US5159895A Packaged article assembly 公开/授权日：1992-11-03