Zeolithe itq-5
CA 2315039 A1 · Owner: Universidad Politecnica De Valencia · Inventors: Valencia Valencia, Susana; Corma Canos, Avelino; Camblor Fernandez, Miguel-Angel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to zeolithic materials having a characteristic X ray diffraction pattern, and its preparation method characterized by the , relatively low pH of the synthesis medium and the use of F- anions as mineralizing agent. The invention also claims the use of the obtained material in catalytic processes for the transformation of hydrocarbons and in oxidation process. The method comprises heating at 363-473 ~K a reaction mixture which contains a source of at least one tetravalent element T(IV) optionally a , source of an element T(III) optionally H2O2, a structure director organic cation, a source of anions F- and water; the presence of alkaline cations is not …
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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 18, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 18, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 18, 2020.
- 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.