发明名称 |
Chromate coatings for metals |
摘要 |
A composition and method are particularly suitable for applying a corrosion preventive and paint receptive coating to metal surfaces where immersing treatment is impossible or impractical. A brush-on aqueous composition free of reducing agent containing hexavalent and trivalent chromium and at least 5 g/l of silica or silicate together with an organic solvent and thickening agent is applied to the metal surface and dried.
|
申请公布号 |
US4644029(A) |
申请公布日期 |
1987.02.17 |
申请号 |
US19850773483 |
申请日期 |
1985.09.09 |
申请人 |
PYRENE CHEMICAL SERVICES LIMITED |
发明人 |
CABLE, JANE;HIGGINS, GEORGE |
分类号 |
C23C22/30;(IPC1-7):C08K3/22 |
主分类号 |
C23C22/30 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|