Method for the reclamation of zinc from galvanizing baths
CA 1095261 A · Owner: Uss Engineers And Consultants, Inc. · Inventors: Leonard, Ralph W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Zinc is removed in a substantially pure form from the dross skimmings of galvanizing baths. The dross is poured into a mold and solidified. The solidified mold is then placed on a permeable base and in the substantial absence of agitation reheated to a temperature of 420 to 700°C to melt out the zinc in an uncontaminated form.
Read the whole patent
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 February 10, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 10, 1998.
- 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.