Method and device for producing pure elemental iodine
CA 1340947 C · Owner: O'Dowd, Dennis Hardy · Inventors: O'Dowd, Dennis Hardy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and device for producing pure elemental iodine where a source material containing thermodynamically free iodine is introduced to one side of an iodine solving solid barrier through which said thermodynamically free iodine passes by the process of diffusive mass transfer and is subsequently collected on the product side of the barrier at any desired concentration less than supersaturation, for any given temperature or product stream composition.
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 April 4, 2000. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 4, 2017.
- 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.