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Expired Canadian patentCanada

Molecular sieve catalyst composition, its making and use in conversion processes

CA 2451667 C · Owner: Vaughn, Stephen Neil · Inventors: Martens, Luc Roger Marc; Chang, Yun-Feng; Vaughn, Stephen Neil

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Abstract From the Canadian patent

The invention relates to a molecular sieve catalyst composition to a method , of making or forming the molecular sieve catalyst composition and to a , conversion process using the catalyst composition. In particular the , invention is directed to making a formulated molecular sieve catalyst composition from a slurry of formulation composition of a synthesized molecular sieve that has not been fully dried a binder and an optional matrix , material. In a more preferred embodiment the weight ratio of the binder to , the molecular sieve and/or the solid content of the slurry is controlled to provide an improved attrition resistant catalyst composition particularly , useful in a 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 June 24, 2002 and granted March 27, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 24, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 24, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 24, 2002
GrantedMarch 27, 2012
Term endedJune 24, 2022
Patent numberCA 2451667 C
Classification (IPC)B01J29/85 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedJune 24, 2002Patent grantedMarch 27, 2012Term endedJune 24, 2022

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