Polycarboxylate-containing antifreeze/coolant additive for resisting cavitation erosion-corrosion on aluminum
US5290467A · kind A · utility
4Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1991 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Jul 23, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F11/173
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides an antifreeze/coolant additive comprising polymeric polycarboxylates which resists cavitation erosion-corrosion of aluminum and aluminum alloys, is effective at relatively low concentrations and at varying pH.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.