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Expired Canadian patentCanada

Method and compositions employing formulations of lecithin oils and nsaids for protecting the gastrointestinal tract and providing enhanced therapeutic activity

CA 2431606 C · Owner: The Board Of Regents Of The University Of Texas System · Inventors: Lichtenberger, Lenard

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

A novel pharmaceutical composition is provided by which nonsteroidal antiinflammatory drugs (NSAIDs) are added directly to phospholipid-containing oil such as lecithin oils or to a bio-compatible oil to which an phospholipid has been added to make a NSAID-containing formulation that possess low gastrointestinal (GI) toxicity and enhanced therapeutic activity to treat or prevent inflammation, pain, fever, platelet aggregation tissue ulcerations , and/or other tissue disorders. The composition of the invention are in the form of a non-aqueous solution, paste, suspension dispersion, colloidal , suspension or in the form of an aqueous emulsion or microemulstion for internal, oral, direct …

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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 December 19, 2001 and granted July 19, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 19, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 19, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 19, 2001
GrantedJuly 19, 2011
Term endedDecember 19, 2021
Patent numberCA 2431606 C
Classification (IPC)A61K47/24 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedDec 19, 2001Patent grantedJuly 19, 2011Term endedDec 19, 2021

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