发明授权
- 专利标题: Aqueous acid composition and method of use
- 专利标题(中): 含水酸组成及使用方法
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申请号: US728448申请日: 1985-05-01
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公开(公告)号: US4636327A公开(公告)日: 1987-01-13
- 发明人: Wayne W. Frenier , David A. Wilson
- 申请人: Wayne W. Frenier , David A. Wilson
- 申请人地址: OK Tulsa
- 专利权人: Dowell Schlumberger Incorporated
- 当前专利权人: Dowell Schlumberger Incorporated
- 当前专利权人地址: OK Tulsa
- 主分类号: C23G1/08
- IPC分类号: C23G1/08 ; C23F11/14
摘要:
Aqueous acid compositions are described which comprise (a) hydroxyethylethylenediaminetriacetic acid, and (b) a compatible acid corrosion inhibitor. The compositions are useful in removing iron oxide scale from metal surfaces.
公开/授权文献
- US5802094A Narrow band excimer laser 公开/授权日:1998-09-01
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