Polyacrylic acid additives for copper electrorefining and electrowinning
US5733429A · kind A · utility
3Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1996 |
| Grant date | Mar 31, 1998 |
| Priority date | — |
| Expiry date | Sep 10, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25C1/12
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Polyacrylic acids are used in electrowinning and electrorefining baths as additives for grain refinement, dendrite reduction, and for reducing impurities in the electroplate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.