Aluminum desmut composition and process
US5669980A · kind A · utility
20Cited by
13References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1995 |
| Grant date | Sep 23, 1997 |
| Priority date | — |
| Expiry date | Mar 24, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23G1/125
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition of matter is disclosed for cleaning an aluminum surface comprising: PA1 a hydroxy organic acid; PA1 an organic complexing agent; PA1 a phosphorous oxide acid; PA1 a nitrogen oxide acid; PA1 optionally a urea compound; and PA1 optionally a compound having a fluoride ion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.