发明授权
- 专利标题: Process for preparing carbamates
- 专利标题(中): 制备氨基甲酸酯的方法
-
申请号: US379118申请日: 1995-01-27
-
公开(公告)号: US5463109A公开(公告)日: 1995-10-31
- 发明人: Keigo Nishihira , Shuji Tanaka
- 申请人: Keigo Nishihira , Shuji Tanaka
- 申请人地址: JPX Yamaguchi
- 专利权人: Ube Industries, Ltd.
- 当前专利权人: Ube Industries, Ltd.
- 当前专利权人地址: JPX Yamaguchi
- 优先权: JPX2-75661 19900327
- 主分类号: C07C269/00
- IPC分类号: C07C269/00 ; C07C269/04 ; C07C271/12
摘要:
Disclosed is a process for preparing carbamates comprising reacting carbonic acid diester with ammonia or amines in a liquid phase in the presence of at least 1 mole % of water based on carbonic acid diester.
公开/授权文献
信息查询