发明名称 Production of high molecular weight polysuccinimide and high molecular weight polyaspartic acid from maleic anhydride and ammonia
摘要 A method of producing high molecular weight polysuccinimide and high molecular weight polyaspartic acid. Reacting maleic anhydride with ammonia and further reacting with polymerized polysuccinimide. Hydrolyzing the resultant product to form polyaspartic acid.
申请公布号 US5219952(A) 申请公布日期 1993.06.15
申请号 US19920948907 申请日期 1992.09.18
申请人 DONLAR CORPORATION 发明人 KOSKAN, LARRY P.;MEAH, ABDUL R. Y.
分类号 C08G69/10;C08G73/00;C08G73/10 主分类号 C08G69/10
代理机构 代理人
主权项
地址