Alkaline cleaner for cleaning aluminum surfaces
US9222176B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 1, 2005 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | Jan 15, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Composition for cleaning surfaces which are susceptible to corrosion in alkaline liquids, comprising at least one alkalinity source, at least one inorganic salt containing at least one cation selected from the elements of the second or third main group of the periodic table of the elements, and whereby the composition is free of any triazole and/or any alkali metal borate, aqueous concentrate comprising the composition, use solutions comprising the composition or the aqueous concentrate and method of cleaning surfaces which are susceptible to corrosion in alkaline liquids using the above aqueous concentrate or any of the above use solutions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.