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Canadian application, no grantCanada

Nitrone compounds, pharmaceutical compositions containing the same and methods for treating inflammation and neuropathic pain

CA 2502227 A1 · Owner: Upasani, Ravindra B. · Inventors: Upasani, Ravindra B.; Wood, Paul L.; Khan, M. Amin

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

Disclosed are nitrone compounds and pharmaceutical compositions containing such compounds. The nitrone compounds have one to six additional carbons bridging between the nitrone functionality and the nitrone aryl ring. The disclosed compositions are useful as therapeutics for inflammation-related conditions and analgesia in mammals, such as arthritis and for neuropathic , pain and traumatic injuries such as traumatic brain injury and acute spinal cord injury. The invention accordingly extends to the use of the compounds and compositions for the stated treatments and as appropriate, to the use of the compounds for the preparation of pharmaceutical compositions for such treatments.

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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 October 15, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 15, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 15, 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.
FiledOctober 15, 2003
GrantedNo grant recorded
Term endedOctober 15, 2023
Patent numberCA 2502227 A1
Classification (IPC)C07C207/00 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedOct 15, 2003Term endedOct 15, 2023

Sources & verification

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