发明授权
- 专利标题: Processes for the preparation of carbamates
- 专利标题(中): 制备碳酸钙的方法
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申请号: US585456申请日: 1990-09-20
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公开(公告)号: US5220069A公开(公告)日: 1993-06-15
- 发明人: Stephen W. King , Bernard C. Ream
- 申请人: Stephen W. King , Bernard C. Ream
- 申请人地址: CT Danbury
- 专利权人: Union Carbide Chemicals & Plastics Technology Corporation
- 当前专利权人: Union Carbide Chemicals & Plastics Technology Corporation
- 当前专利权人地址: CT Danbury
- 主分类号: B01J23/24
- IPC分类号: B01J23/24 ; B01J27/053 ; B01J27/06 ; B01J27/18 ; B01J27/232 ; C07B43/04 ; C07B61/00 ; C07C209/00 ; C07C209/78 ; C07C211/04 ; C07C211/05 ; C07C211/06 ; C07C211/22 ; C07C211/34 ; C07C213/02 ; C07C215/08 ; C07C263/00 ; C07C263/04 ; C07C265/00
摘要:
A process for preparing nitrogen-containing compounds which comprises contacting a carboxylated N-monosubstituted nitrogen-containing compound or a carboxylated N,N-disubstituted nitrogen-containing compound with a mixed metal oxide catalyst under conditions effective to produce the nitrogen-containing compound.
公开/授权文献
- US5786539A Neck joint for stringed musical instrument 公开/授权日:1998-07-28
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