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Expired Canadian patentCanada

Extended occlusive treatment of skin disorder

CA 1306195 C · Owner: Shore, Ronald N. · Inventors: Shore, Ronald N.

CIPO record

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Abstract From the Canadian patent

The healing of a number of skin disorders is effectively enhanced by prolonged continuous occlusion and/or hydration. Treating these disorders e.g. psoriasis, is significantly facilitated by occluding affected skin areas with a suitable barrier for a prolonged and continuous period of time, Such occlusion is effective by itself, but is materially improved by concurrent topical administration of medicament useful for treating the disorder. In such cases the prolonged, continuous occlusion markedly increases hydration which has the further therapeutic benefit of tremendously facilitating penetration of medicament. The provided barrier is advantageously one with low vapor transmission or one …

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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

  • Granted August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 2009.
  • 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 26, 1986
GrantedAugust 11, 1992
Term endedAugust 11, 2009
Patent numberCA 1306195 C
Classification (IPC)A61L15/16 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedJune 26, 1986Patent grantedAug 11, 1992Term endedAug 11, 2009

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