Plating-inhibitor for partially plating steel plate with molten metal
US4201592A · kind A · utility
4Cited by
8References
18Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 22, 1977 |
| Grant date | May 6, 1980 |
| Priority date | — |
| Expiry date | Sep 22, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C2/0224
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
This invention relates to a plating-inhibitor used in partially plating a steel plate with a molten metal, characterized by comprising (a) one or more water-soluble phosphate type bases selected from the group consisting of metal phosphates, metal condensed phosphates and their modified metal phosphates, a part of the water-soluble phosphate type bases being optionally replaced by one or more of the group of alkali metal silicates, quaternary ammonium silicate, silica sol and alumina sol; and (b) one or more inorganic inert powdery materials which are heat-resistant and substantially non-reactive with the molten metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.