Functional additive composition based on organic amine salts for coolants
US5637251A · kind A · utility
2Cited by
6References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 1995 |
| Grant date | Jun 10, 1997 |
| Priority date | — |
| Expiry date | Jul 31, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K5/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to a water-based antifreeze or coolant composition having improved antioxidant and anticorrosion properties and comprising a major amount of an aqueous solution of a polyhydric alcohol and a minor amount of a functional additive composition consisting of monoallylamine salt of 2,5-dimercapto-1,3,4-thiadiazole and monoallylamine salt of benzoic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.