Heat transfer fluids containing dicarboxylic acid mixtures as corrosion inhibitors
US4946616A · kind A · utility
36Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 1988 |
| Grant date | Aug 7, 1990 |
| Priority date | — |
| Expiry date | Nov 14, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F11/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A coolant composition for use in automotive engines is disclosed which comprises a liquid alcohol freezing depressant and a corrosion inhibitor consisting essentially of decanedioic acid, dodecanedioic acid and sodium tolyltriazole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.