发明授权
US5731277A Automatic dishwashing compositions containing aluminum tetrahydroxide
失效
包含四氢化铝的自动餐具洗涤组合物
- 专利标题： Automatic dishwashing compositions containing aluminum tetrahydroxide
- 专利标题（中）： 包含四氢化铝的自动餐具洗涤组合物
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申请号： US668151申请日： 1996-06-21
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公开(公告)号： US5731277A公开(公告)日： 1998-03-24
- 发明人: Richard Gerald Gary , Petrus Adrianus Johannes Marinus Angevaare , Arnold Oscar Jensen , Leonard Van Gorkom
- 申请人： Richard Gerald Gary , Petrus Adrianus Johannes Marinus Angevaare , Arnold Oscar Jensen , Leonard Van Gorkom
- 申请人地址： NY New York
- 专利权人： Lever Brothers Company, Division of Conopco, Inc.
- 当前专利权人： Lever Brothers Company, Division of Conopco, Inc.
- 当前专利权人地址： NY New York
- 主分类号： C11D3/00
- IPC分类号： C11D3/00 ; C11D3/12 ; C11D3/39 ; C11D3/395 ; C11D7/06 ; C11D11/00 ; C11D18/02
摘要：
A composition and method for inhibiting the extraction of transition metals from tableware washed in automatic dishwashers is described. The composition contains an aluminum species in which substantially all of the aluminum (III) ions are present as aluminum tetrahydroxide. A bleaching agent, a builder and optionally a surfactant and a silicate are present. The composition has a pH of less than about 10. A process for preparing the composition is also described.
公开/授权文献
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