Inhibitor for aqueous acid solutions
US4101437A · kind A · utility
1Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1977 |
| Grant date | Jul 18, 1978 |
| Priority date | — |
| Expiry date | Mar 29, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23G1/065
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed is a composition and process for inhibiting an aqueous acid solution and a composition so inhibited. The acid solution containing, for example, HF is inhibited by including a condensation product of a mixture of diethyl- and dibutyl-thiourea with hexamethylenetetramine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.