Carbon molecular sieves and a process for their preparation and use
CA 1215350 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
C-1345IA, "CARBON MOLECULAR SIEVES AND A PROCESS FOR THEIR PREPARATION AND USE", Abstract of the Disclosure The instant invention is directed to carbon molecular sieves which are capable of separating gas or liquid mixtures containing components of at least two different molecular diameters molecular, weights or molecular shapes said molecular sieve, having an average effective pore diameter of from about 3 to about 20 Angstroms and having specified oxygen diffusivities and selectivity ratios. The instant invention is also directed to a process for preparing carbon molecular sieves having average effective pore diameters of from about 3 to about 20 Angstroms which comprises continuously …
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 December 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 16, 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.