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Expired Canadian patentCanada

Dosage form

CA 1085295 A · Owner: Hoffmann-La Roche Limited · Inventors: Mlodzeniec, Arthur R.; White, Lawrence S.; Gardner, William E.

CIPO record

Overview

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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 of the Disclosure Pharmaceutical dosage forms comprising an edible web having deposited thereon or at least partially thereon a particulate medicament the webs being thereafter fabricated and finished to pharmaceutically elegant solid dosage forms having no medicament exposed on an exterior surface. The dosage forms have a consistency of release of medicament which can be controlled to exacting specifications. The disclosed solid dosage forms are prepared by high speed automated equipment and the process by which they are made is characterized by non-destructive quality control analysis and performance evaluation both conducted on-line and integrated into the manufacturing …

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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 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 1997.
  • 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 14, 1976
GrantedSeptember 9, 1980
Term endedSeptember 9, 1997
Patent numberCA 1085295 A
Classification (IPC)A61K9/70 +2 more

Timeline

Timeline From CIPO dates

1977198019831986198919921995Application filedDec 14, 1976Patent grantedSep 9, 1980Term endedSep 9, 1997

Sources & verification

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