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Canadian application, no grantCanada

Compositions and methods for use against acne-induced inflammation and dermal matrix-degrading enyzmes

CA 2449671 A1 · Owner: Voorhees, John J. · Inventors: Voorhees, John J.; Kang, Sewon; Fisher, Gary J.

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

Acne-affected skin has been found to be accompanied by the presence of matrixdegrading enzymes such as MMPs and neutrophil elastase induction of , neutrophils, and a reduction in procollagen biosynthesis. This invention treats scarring and inflammation accompanying acne by administering topically , or systemically, at least one of (I) an inhibitor of the matrix degrading enzymes and (ii) a cytokine inhibitor that alleviates inflammation and thus also alleviate neutrophil infiltration. Alleviating the matrix degradation and renormalizing procollagen biosynthesis allows for reduced inflammation and better natural repair of acne-affected skin. Inhibiting cytokines alleviates induction of …

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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 6, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 6, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 6, 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 6, 2002
GrantedNo grant recorded
Term endedJune 6, 2022
Patent numberCA 2449671 A1
Classification (IPC)A61K38/13 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedJune 6, 2002Term endedJune 6, 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.