Composition for cleaning a heat transfer system having an aluminum component
US9598664B2 · kind B2 · utility
3Cited by
16References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2015 |
| Grant date | Mar 21, 2017 |
| Priority date | — |
| Expiry date | Feb 4, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed herein is a cleaner concentrate comprising: greater than 10 weight percent of a freezing point depressant, 0.5 to 35 weight percent of oxalic acid, and an azole compound, wherein weight percent is based on the total weight of the cleaner concentrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.