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Expired Canadian patentCanada

Ampule for controlled administration of beneficial agent

CA 1310240 C · Owner: Baxter International Inc. · Inventors: Lynn, Daniel R.; Goldhaber, Rich; Wolf, Ludwig, Jr.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An ampule defines a pair of opposed flexible sides, sealingly enclosing a space which contains a mass of beneficial agent which is soluble in aqueous solution. Inlet and outlet ports communicate between the space and the exterior. Flow promoting means are positioned between the mass of beneficial agent and at least one opposed flexible, side to facilitate the formation of a fluid flow path along the mass of beneficial agent.

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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 November 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 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.
FiledNovember 14, 1988
GrantedNovember 17, 1992
Term endedNovember 17, 2009
Patent numberCA 1310240 C
Classification (IPC)A61M31/00 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedNov 14, 1988Patent grantedNov 17, 1992Term endedNov 17, 2009

Sources & verification

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