发明授权
US4388213A Cyclic amidine based corrosion inhibitors which inhibit corrosion caused
by CO.sub.2 and H.sub.2 S
失效
循环脒基腐蚀抑制剂抑制二氧化碳和硫化氢引起的腐蚀
- 专利标题： Cyclic amidine based corrosion inhibitors which inhibit corrosion caused by CO.sub.2 and H.sub.2 S
- 专利标题（中）： 循环脒基腐蚀抑制剂抑制二氧化碳和硫化氢引起的腐蚀
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申请号： US352634申请日： 1982-02-26
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公开(公告)号： US4388213A公开(公告)日： 1983-06-14
- 发明人: Knut Oppenlaender , Karl Stork , Klaus Barthold
- 申请人： Knut Oppenlaender , Karl Stork , Klaus Barthold
- 申请人地址： DEX Ludwigshafen
- 专利权人： BASF Aktiengesellschaft
- 当前专利权人： BASF Aktiengesellschaft
- 当前专利权人地址： DEX Ludwigshafen
- 主分类号： C09K8/54
- IPC分类号： C09K8/54 ; C23F11/14
摘要：
The invention relates to corrosion inhibitors which are amides of cyclic amidines. The inhibitors are particularly useful for preventing the corrosion of metals caused by H.sub.2 S and CO.sub.2 in water-in-oil, particularly in saltwater-in-oil emulsions.
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