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Canadian application, no grantCanada

Hydrogenation catalyst, preparation thereof and hydrogenation processes using this catalyst

CA 2503519 A1 · Owner: Vartuli, James Clarke · Inventors: Schlosberg, Richard Henry; Miseo, Sabato; Ragomo, Steven T.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention is directed to a process for hydrogenating one or more organic compounds especially unsaturated organic compounds by bringing the compound into contact with a hydrogen-containing gas in the presence of a catalyst, which comprises one or more catalytically active metals applied to a porous catalyst support. The one or more catalytically active metals having been derived via a decomposed organic complex of the metal on the support in , particular amine complexes of the metal. The decomposed complex may be treated with hydrogen to activate the catalyst before use as a hydrogenation catalyst.

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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 18, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 18, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 18, 2025.
  • 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 18, 2003
GrantedNo grant recorded
Term endedNovember 18, 2023
Patent numberCA 2503519 A1
Classification (IPC)C07C67/30 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedNov 18, 2003Term endedNov 18, 2023

Sources & verification

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