Electrochemical system and process for stripping metallic coatings
US6352636B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1999 |
| Grant date | Mar 5, 2002 |
| Priority date | — |
| Expiry date | Oct 18, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25F5/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
An electrochemical stripping process is described that strips at least one metallic coating from a substrate. Due to the electrochemical selectivity of the disclosed process, the parent alloy is minimally affected by the electrochemical stripping process. The process comprises providing an electrolyte; disposing the coated articles and at least one electrode in the electrolyte; applying a current between the electrode and the coated articles, and removing the at least one coating from the coated articles without modifying the parent alloy. The system for the electrochemical stripping process comprises an electrolyte; a direct current source; and plurality of electrodes from which a direct current may be directed to the article being stripped. The direct current source is capable of being connected to the coated articles and the plurality of electrodes. The system permits removal of the at least one coating from the parent alloy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.