External counter electrode
US6837985B2 · kind B2 · utility
4Cited by
9References
48Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2002 |
| Grant date | Jan 4, 2005 |
| Priority date | — |
| Expiry date | Mar 28, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25F1/04
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A system and process for cleaning a hollow interior or a passageway of a metal member including an external container having counter electrode material with a higher potential than the metal member with the counter electrode material being dc coupled to the metal member, and electrolyte passing through the container to contact the counter electrode material and fluidicly coupled into the hollow interior or the passageway of the metal member to clean same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.