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Expired Canadian patentCanada

Antiinflammatory composition for external use

CA 1206418 A · Owner: Pfizer Corporation · Inventors: Kawazoe, Toshiji; Nozawa, Shigenori; Ohya, Katsumi

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

Abstract, A novel formulation of piroxicam for dermatological administration is disclosed. Pharmaceutical compositions containing piroxicam, lower alkanols water, carboxyvinyl polymer, polyhydric alcohols alkanolamines and optionally film-forming agents are prepared, said compositions having a pH of from about 6.5 to about 9Ø The novel formulation is characterized by excellent applicability on the skin skin-, permeability and good stability. The novel formulation which is in gel ointment form, is as effective as orally administered piroxicam and is well suited for topical administration through skin for the treatment of various types of inflammatory conditions.

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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 June 24, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 24, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 12, 1983
GrantedJune 24, 1986
Term endedJune 24, 2003
Patent numberCA 1206418 A
Classification (IPC)A61K31/54 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJuly 12, 1983Patent grantedJune 24, 1986Term endedJune 24, 2003

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