Process for treating the surface of material of high-grade steel
US5840173A · kind A · utility
1Cited by
3References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 12, 1997 |
| Grant date | Nov 24, 1998 |
| Priority date | — |
| Expiry date | Jun 12, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23G1/08
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A process for treating the surface of material composed of high-grade steel, particularly strip-shaped material, wherein the material is treated with a pickling solution in a least one container and is subsequently rinsed. The solution used as the pickling solution contains a hydrochloric acid as the only acid and the material to be treated is subjected in at least one container to a least one spray treatment with the pickling solution containing the hydrochloric acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.