发明授权
US5853490A Use of bicarbonates and carbonates in metal cleaning formulations to
inhibit flash rusting
失效
在金属清洁配方中使用碳酸氢盐和碳酸盐以抑制闪锈
- 专利标题： Use of bicarbonates and carbonates in metal cleaning formulations to inhibit flash rusting
- 专利标题（中）： 在金属清洁配方中使用碳酸氢盐和碳酸盐以抑制闪锈
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申请号： US597684申请日： 1996-02-06
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公开(公告)号： US5853490A公开(公告)日： 1998-12-29
- 发明人: Steven Dunn , Steven A. Bolkan , Francis Cala , Anthony Winston
- 申请人： Steven Dunn , Steven A. Bolkan , Francis Cala , Anthony Winston
- 申请人地址： NJ Princeton
- 专利权人： Church & Dwight Inc.
- 当前专利权人： Church & Dwight Inc.
- 当前专利权人地址： NJ Princeton
- 主分类号： C23G1/00
- IPC分类号： C23G1/00 ; C23G1/19 ; C23G1/14 ; C23F11/16 ; C23G1/16
摘要：
Prevention of flash rusting of iron-containing substrates is achieved by contacting the substrates with aqueous solutions containing carbonate and/or bicarbonate salts. The treatment process can be effected during cleaning of the substrates with an aqueous alkaline cleaner or during a post cleaning step such as during rinsing of the substrates subsequent to cleaning.
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