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Expired Canadian patentCanada

Process for producing individually dosed administration forms

CA 1289074 C · Owner: Pins, Heinrich · Inventors: Pins, Heinrich; Schmitz, Christiane

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

Process for producing individually dosed administration forms in which a carrier material containing active substances plastic at elevated temperature, together with conventional additives is applied to a stationary or moving substrate or introduced into blisters or cavities produced from films and as a result the formulation material is brought into an administration form and a formulation material with a softening point range above the body temperature is heated to above the latter and is dosed under pressure with a viscosity of more than 3,000 mPa.s, together with administration forms obtainable by said process. They can be obtained simply economically and, with good quality.

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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 September 17, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 2008.
  • 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 18, 1986
GrantedSeptember 17, 1991
Term endedSeptember 17, 2008
Patent numberCA 1289074 C
Classification (IPC)A61K9/20 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedDec 18, 1986Patent grantedSep 17, 1991Term endedSep 17, 2008

Sources & verification

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