发明授权
- 专利标题: Process for the preparation of diaryl carbonates
- 专利标题(中): 制备碳酸二芳基酯的方法
-
申请号: US746284申请日: 1991-08-12
-
公开(公告)号: US5136077A公开(公告)日: 1992-08-04
- 发明人: Cynthia L. Rand
- 申请人: Cynthia L. Rand
- 申请人地址: MI Midland
- 专利权人: The Dow Chemical Company
- 当前专利权人: The Dow Chemical Company
- 当前专利权人地址: MI Midland
- 主分类号: C07C68/02
- IPC分类号: C07C68/02
摘要:
A process employing an organophosphine catalyst for the reaction of aromatic haloformates with aromatic hydroxy compounds for the production of diaryl carbonates with the elimination of anhydrous hydrogen halide. The organophosphine catalysts of the present invention permit the production of the products in very high yield, and the reaction proceeds at high rates.
公开/授权文献
- US5868126A LPG canister connector for combustion appliance 公开/授权日:1999-02-09
信息查询