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Expired Canadian patentCanada

Itq-27, new crystalline microporous material

CA 2586377 C · Owner: Rey, Fernando · Inventors: Rey, Fernando; Strohmaier, Karl G.; Dorset, Douglas L.

CIPO record

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Abstract From the Canadian patent

ITQ-27 (INSTITUTO DE TECNOLOGÍA QUÍMICA number 27) is a new crystalline microporous material with a framework of tetrahedral atoms connected by atoms capable of bridging the tetrahedral atoms the tetrahedral atom framework , being defined by the interconnections between the tetrahedrally coordinated atoms in its framework. ITQ-27 can be prepared in silicate compositions with a organic structure directing agent. It has a unique X-ray diffraction pattern which identifies it as a new material. ITQ-27 is stable to calcination in air absorbs hydrocarbons, and is catalytically active for hydrocarbon conversion.

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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 November 4, 2005 and granted December 29, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 4, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 4, 2005
GrantedDecember 29, 2015
Term endedNovember 4, 2025
Patent numberCA 2586377 C
Classification (IPC)C01B39/46 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedNov 4, 2005Patent grantedDec 29, 2015Term endedNov 4, 2025

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.