Method of eliminating a fern-like pattern during electroplating of metal strip
CA 1329915 C · Owner: Biber, Herbert Edward · Inventors: Kim, Chang Don; Pfister, Larry Edward; Biber, Herbert Edward
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method is provided for eliminating a fern-like pattern on metal strip being electroplated with metal or metal-alloy coatings. The method includes contacting the to be plated surface of the strip with sufficient additional electrolyte solution to substantially eliminate non-uniformity of a film carried thereon from a prior treatment such, additional electrolyte being in contact with said surface for at least 0.1 second prior to and continuing until arrival of said surface at a point directly facing the adjacent edge of a first electrically energized anode within an electrolytic cell for the plating thereof.
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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 31, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2011.
- 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.