Process for the preparation of an aromatic hydrocarbons-containing mixture
CA 1295343 C · Owner: Sie, Swan Tiong · Inventors: Sie, Swan Tiong; Kieffer, Eduard Philip
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the preparation of an aromatic hydrocarbonscontaining mixture by contacting a natural gas containing more than 50%w of methane and furthermore paraffins with at least three carbon atoms per molecule at a pressure higher than 20 bar and at elevated temperature with a catalyst comprising a crystalline silicate containing at least one of the metals aluminium and gallium, which silicate has the following properties after one hour's calcination in air at 500°C:, a) an X-ray powder diffraction pattern in which the strongest lines are the lines given in Table A, and b) in the formula which represents the composition of the silicate, expressed as moles of the oxides the SiO2/Al2O3, …
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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 February 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 4, 2009.
- 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.