Acidic cleaner for metal surfaces
US8921298B2 · kind B2 · utility
8Cited by
5References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 8, 2006 |
| Grant date | Dec 30, 2014 |
| Priority date | — |
| Expiry date | Dec 24, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a acidic composition for cleaning surfaces of metal or alloys which are susceptible to corrosion comprising in which each of the groups R1, R2, R3, R4 and R5 is the same or different and is hydrogen atom, an alkyl group, an alkenyl group, or an acyl group, The invention further relates to a use solution and to a method for cleaning.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.