Surface treatment
    2.
    发明授权
    Surface treatment 失效
    表面处理

    公开(公告)号:US3968313A

    公开(公告)日:1976-07-06

    申请号:US428701

    申请日:1973-12-27

    Abstract: Treatment of metals, and other surfaces, with dilute colloidal slightly acidic dispersion of silica and tannin. The treating composition is removed from the metal surface before forming any deposit of silica visible to the naked eye. The metals become resistant to chemical attack.

    Abstract translation: 金属和其他表面的处理,与硅胶和单宁的稀释胶体微酸性分散体。 在形成肉眼可见的二氧化硅沉积物之前,将处理组合物从金属表面除去。 金属变得抗化学侵蚀。

Patent Agency Ranking