发明授权
- 专利标题： Process for producing sodium percarbonate
- 专利标题（中）： 生产过碳酸钠的方法
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申请号： US315645申请日： 1981-10-27
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公开(公告)号： US4409197A公开(公告)日： 1983-10-11
- 发明人: Junichiro Sugano , Tomoyuki Yui , Yoshitugu Minamikawa , Tsuneo Fujimoto , Minoru Kubota
- 申请人： Junichiro Sugano , Tomoyuki Yui , Yoshitugu Minamikawa , Tsuneo Fujimoto , Minoru Kubota
- 申请人地址： JPX Tokyo
- 专利权人： Mitsubishi Gas Chemical Company, Inc.
- 当前专利权人： Mitsubishi Gas Chemical Company, Inc.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX55-150502 19801027
- 主分类号： C09K15/32
- IPC分类号： C09K15/32 ; C01B15/10 ; C01B31/00
摘要：
A process for producing sodium percarbonate which comprises reacting sodium carbonate with hydrogen peroxide in a working solution of sodium carbonate, hydrogen peroxide and water, said reaction being carried out in the presence of at least one N,N,N',N'-tetra(phosphonomethyl)diaminoalkane of the following formula ##STR1## wherein R is either ##STR2## and n is 0 or 1 to 4, and at least one salt selected from the group consisting of phosphates, silicates and magnesium salts.
公开/授权文献
- US5511741A Web clamping retractor mechanism with swinging housing 公开/授权日：1996-04-30
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