Corrosive inhibitor compositions
US3969260A · kind A · utility
4Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 3, 1974 |
| Grant date | Jul 13, 1976 |
| Priority date | — |
| Expiry date | Jul 3, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23G1/06
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A synergistic mixture comprising an alkynyl cycloalkanol and N,N'-dicycloalkyl-thiourea and polyaminomethylenephosphonate is used as an inhibitor in protecting metals from acid attack when cleaning said metals with an acid solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.