Expired Canadian patentCanada
Chlorination of titanium ores using lignitic reactive carbons
CA 1198578 A · Owner: Scm Corporation · Inventors: Bonsack, James P.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided an improved process for the chlorination of particulate titaniferous ores using a particulate reactive carbon in a fluidized bed. The particulate reactive carbon is lignite char.
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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 December 31, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 31, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 14, 1983
GrantedDecember 31, 1985
Term endedDecember 31, 2002
Patent numberCA 1198578 A
Classification (IPC)C01G23/02 +1 more
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.