Methods of inhibiting corrosion using halo-benzotriazoles
US5863463A · kind A · utility
3Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 1998 |
| Grant date | Jan 26, 1999 |
| Priority date | — |
| Expiry date | Feb 27, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F11/149
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The use of halo-benzotriazoles as corrosion inhibitors in aqueous systems is disclosed. Halo-benzotriazoles such as chloro-tolyltriazole and bromo-tolyltriazole were found to be more effective corrosion inhibitors than tolyltriazole in the presence of chlorine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.