Corrosion inhibitors
US10190222B2 · kind B2 · utility
1Cited by
23References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2016 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | Oct 11, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/08
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Disclosed are novel compounds and methods useful in applications relating to industrial water systems. The compounds of the present invention are nitrogen-containing heterocyclic compounds comprising a benzotriazole covalently bonded to a benzimidazole moiety, and provide enhanced protection against corrosion of metals in aqueous systems. The compounds of the present invention are generally resistant to halogen attack and provide good corrosion resistance in the presence of oxidizing halogen-based biocides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.