Quenching bath and quenching method for metals
US4441937A · kind A · utility
3Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1983 |
| Grant date | Apr 10, 1984 |
| Priority date | — |
| Expiry date | Jul 20, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D1/60
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Bath for the quenching of ferrous and nonferrous metals and their alloys, comprising a hydrogenated starch hydrolysate having, expressed with respect to the dry matter, a percentage of products of degree of polymerization 1 and 2 comprised between 1 and 90, the complement to 100 being constituted by products of degree of polymerization equal to or higher than 3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.