- 专利标题： Organic phosphonic acid compound corrosion protection in aqueous systems
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申请号： US30093872申请日： 1972-10-26
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公开(公告)号： US3803048A公开(公告)日： 1974-04-09
- 发明人: HWA C
- 申请人： GRACE W R & CO
- 专利权人： W R Grace and Co
- 当前专利权人： W R Grace and Co
- 优先权： US30093872 1972-10-26; US64560067 1967-06-13; US58115166 1966-09-22
- 主分类号： C23F11/08
- IPC分类号： C23F11/08 ; C23G1/06 ; C23F11/16 ; C23F11/14
摘要：
The invention disclosed relates to organo-phosphonic acid compounds in combination with zinc salts for use to inhibit metal corrosion in aqueous systems. The organophosphonic acid compounds include alkylene polyphosphonic acids, and the water-soluble salts and esters thereof.
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