Salt corrosion inhibitors
US4534794A · kind A · utility
10Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1981 |
| Grant date | Aug 13, 1985 |
| Priority date | — |
| Expiry date | May 14, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K5/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A salt system having a reduced rate of corrosion comprises a salt selected from the group consisting of KNO.sub.3,NaNO.sub.3 and mixtures thereof, and a minor amount of a corrosion inhibitor selected from the group consisting of Li.sub.2 O, Na.sub.2 O, CuO, Mgo, NiO, CaO, Al.sub.2 O.sub.3, Cr.sub.2 O.sub.3, SiO.sub.2, Mn.sub.3 O.sub.4, Ti.sub.2 O.sub.3, Y.sub.2 O.sub.3, Na.sub.2 CrO.sub.4, Na.sub.2 Cr.sub.2 O.sub.7, K.sub.2 CrO.sub.4, K.sub.2 Cr.sub.2 O.sub.7, and mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.