Method for processing storage-battery lead scrap
CA 1108410 A · Owner: Vsesojuzny Nauchno Issledovatelsky Gorno- Metallurgichesky Institut Tsvetnykh Metallov · Inventors: Moiseev, Georgy L.; Maslov, Vladimir I.; Kim, Georgy V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
According to the method of the invention the storage-, battery lead scrap is first subjected to crushing with large, chlorine-containing lead metallic parts and organic materials being separated therefrom. The remainder of the scrap is ground and then smelted in oxidizing atmosphere at a temperature of from 1300 to 1500 until an oxidizing melt is obtained whereupon the lead oxide contained therein is reduced to metallic lead.
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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 September 8, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 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.