Electrolytically coagulating and floating components in used cleaning bath
CA 1284124 C · Owner: Renzler, Edgar · Inventors: Renzler, Edgar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a process used for the regeneration of neutral to alkaline cleaning and degreasing baths in an electrolysis cell that is powered by direct current. That soaps and emulsified impurities of the baths are coagulated and floated in the cell having at least one pair of inert electrodes and a dissolvable metal structure inserted between the electrodes in the neutral to alkaline range at a current of 0.1 to 4 Ah/dm3. The metal structure dissolves into a hydroxyl-containing metal complex which combines with the impurities. The combined metal complex and impurities float upwardly as aggregates and are separated. A device used to carry out this process is also …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2008.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.