发明授权
- 专利标题: Coating composition and method
- 专利标题(中): 涂料组合物和方法
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申请号: US168811申请日: 1980-07-14
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公开(公告)号: US4338140A公开(公告)日: 1982-07-06
- 发明人: Gary A. Reghi
- 申请人: Gary A. Reghi
- 申请人地址: MI Warren
- 专利权人: Hooker Chemicals & Plastics Corp.
- 当前专利权人: Hooker Chemicals & Plastics Corp.
- 当前专利权人地址: MI Warren
- 主分类号: C23C22/00
- IPC分类号: C23C22/00 ; C23C22/34 ; C23C22/36 ; C23F7/00 ; C23F7/08
摘要:
An aqueous acidic composition provides improved corrosion resistance to a metal, e.g., ferrous, zinc or aluminum surface upon contact. The composition contains dissolved hafnium and/or zirconium, fluoride, preferably a vegetable tannin compound, and optionally phosphate ions.
公开/授权文献
- US5474340A Theft-resistant motor-vehicle door latch 公开/授权日:1995-12-12
信息查询
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