Carbon molecular sieves and a process for their preparation
CA 1190208 A · Owner: Calgon Carbon Corporation · Inventors: Sutt, Robert F. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the continuous manufacture of carbon molecular sieves which comprises continuously feeding a charred substrate to a means for heating said substrate and heating said substrate is described. This invention is also directed to novel carbon molecular sieves.
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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 July 9, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 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.
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.