Method and composition for inhibiting corrosion in aqueous heat transfer systems
US4642221A · kind A · utility
18Cited by
15References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 5, 1983 |
| Grant date | Feb 10, 1987 |
| Priority date | — |
| Expiry date | Jul 5, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/08
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Corrosion of metal surfaces in cooper or copper alloy cooling water systems is inhibited by the addition of small amounts of aromatic triazoles and iminodicarboxylic acids or derivatives thereof to the cooling water system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.