Process for the preparation of an aromatic hydrocarbon mixture
CA 1212388 A · Owner: Shell Canada Limited · Inventors: Kieffer, Eduard P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A C T, PROCESS FOR THE PREPARATION OF AN AROMATIC HYDROCARBON MIXTURE, C2-C4 paraffins or hydrocarbon mixtures comprising more than 50 %w of C2-C4 paraffins are converted into an aromatic hydrocarbon mixture over a catalyst comprising gallium on a carrier and a crystalline metal silicate having a SiO2/(Y2O3 + Ga2O3) molar, ratio of 10-500 (Y = Al Fe, Co and/or Cr) and a Ga2O3/Y2O3 molar ratio lower than 1, and having an X-ray powder diffraction pattern after one hour's calcination in air in which pattern the strongest lines are shown at interplanar spacings d(.ANG.) of 11.2 + 0.2; 10.0 + 0.2; 3.84 + 0.07; 3.72 + 0.06. The catalyst has been subjected at least once to a two-step treatment …
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 October 7, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 7, 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.