Production of aluminum chlorides from bauxites and clays
CA 1202469 A · Owner: Weston, David · Inventors: Weston, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TO ALL WHOM IT MAY CONCERN, BE IT KNOWN that DAVID WESTON of 34 Parkwood Avenue, Toronto, Ontario Canada, M4V 2X1, a Canadian citizen, has invented certain new and useful improvements in PRODUCTION OF ALUMINUM CHLORIDES, FROM BAUXITES AND CLAYS ABSTRACT OF THE DISCLOSURE, At least a two stage chlorination system for the production of aluminum trichloride and aluminum monochloride wherein in the gas stream containing the highest percentages of aluminum chloride produced CO2 is present and the said gas stream is passed through a charcoal or devolatilized coke bed in a preferred temperature range of about 1000°C. to 1600°C. to convert the said CO2 to CO and cycling at least part of the said CO …
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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 April 1, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 1, 2003.
- 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.