Catalyst for alkylating aromatic compounds with olefins, alcohols or polyalkylated aromatic compounds
CA 2395940 A1 · Owner: Universidad Politecnica De Valencia · Inventors: Diaz Cabanas, Maria Jose; Martinez Soria, Vicente; Corma Canos, Avelino
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a zeolitic catalyst corresponding to an acid form of zeolite ITQ-7 and/or all their possible intergrowths a method for preparing , said catalyst and the utilization thereof for alkylating aromatic compounds with olefins, alcohols or polyalkylated aromatic compounds. The catalyst and the application referred to in the invention are particularly useful for the production of cumene.
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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
- Filed December 27, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 27, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 27, 2022.
- 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.