Heat transfer fluids and corrosion inhibitor formulations for use thereof
US8613866B1 · kind B1 · utility
3Cited by
30References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2012 |
| Grant date | Dec 24, 2013 |
| Priority date | — |
| Expiry date | Sep 7, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F11/188
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed herein is a heat transfer fluid concentrate comprising: greater than or equal to 85 weight percent of a freezing point depressant, based on the total weight of the heat transfer fluid concentrate; 50 to 2000 ppm of lithium ions; an azole compound; an inorganic phosphate; a carboxylic acid; and an acrylate based polymer, wherein the heat transfer fluid has a pH of 7.0-9.5. The heat transfer fluid concentrate can be used to make a heat transfer fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.