CA2124553A1 - Pharmaceutical Tablet Capable of Releasing the Active Ingredients Contained Therein at Subsequent Times - Google Patents

Pharmaceutical Tablet Capable of Releasing the Active Ingredients Contained Therein at Subsequent Times

Info

Publication number
CA2124553A1
CA2124553A1 CA2124553A CA2124553A CA2124553A1 CA 2124553 A1 CA2124553 A1 CA 2124553A1 CA 2124553 A CA2124553 A CA 2124553A CA 2124553 A CA2124553 A CA 2124553A CA 2124553 A1 CA2124553 A1 CA 2124553A1
Authority
CA
Canada
Prior art keywords
releasing
active ingredients
ingredients contained
subsequent times
pharmaceutical tablet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2124553A
Other languages
French (fr)
Other versions
CA2124553C (en
Inventor
Ubaldo Conte
Aldo La Manna
Lauretta Maggi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jagotec AG
Original Assignee
Ekita Investments NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ekita Investments NV filed Critical Ekita Investments NV
Publication of CA2124553A1 publication Critical patent/CA2124553A1/en
Application granted granted Critical
Publication of CA2124553C publication Critical patent/CA2124553C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
    • A61K9/2086—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat
    • A61K9/209—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat containing drug in at least two layers or in the core and in at least one outer layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms

Abstract

A pharmaceutical tablet capable of releasing the active ingredients contained therein at subsequent times produced via the steps of: a) preparing a tablet consisting of three superposed layers, the upper layer containing an active ingredient, the intermediate layer not containing any active ingredient and forming a barrier-type layer, and the lower layer containing an active ingredient, said upper layer presenting a raised top, b) coating the tablet entirely with an impermeable polymeric film, and c) removing said raised top and thus allowing contact of the abraded upper layer surface with the environment.
CA002124553A 1993-05-31 1994-05-27 Pharmaceutical tablet capable of releasing the active ingredients contained therein at subsequent times Expired - Lifetime CA2124553C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT93MI001120A IT1264517B1 (en) 1993-05-31 1993-05-31 PHARMACEUTICAL TABLET SUITABLE FOR THE RELEASE IN SUBSEQUENT TIMES OF THE ACTIVE PRINCIPLES CARRIED THEREIN
ITMI93A001120 1993-05-31

Publications (2)

Publication Number Publication Date
CA2124553A1 true CA2124553A1 (en) 1994-12-01
CA2124553C CA2124553C (en) 2000-04-18

Family

ID=11366293

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002124553A Expired - Lifetime CA2124553C (en) 1993-05-31 1994-05-27 Pharmaceutical tablet capable of releasing the active ingredients contained therein at subsequent times

Country Status (13)

Country Link
US (2) US5487901A (en)
EP (1) EP0631775B1 (en)
JP (1) JPH07138150A (en)
AT (1) ATE183386T1 (en)
AU (1) AU677833B2 (en)
CA (1) CA2124553C (en)
DE (1) DE69420087T2 (en)
DK (1) DK0631775T3 (en)
ES (1) ES2138633T3 (en)
GR (1) GR3031841T3 (en)
IT (1) IT1264517B1 (en)
NZ (1) NZ260630A (en)
SI (1) SI0631775T1 (en)

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Also Published As

Publication number Publication date
AU6342694A (en) 1994-12-08
CA2124553C (en) 2000-04-18
DE69420087D1 (en) 1999-09-23
AU677833B2 (en) 1997-05-08
ITMI931120A0 (en) 1993-05-31
IT1264517B1 (en) 1996-09-24
EP0631775B1 (en) 1999-08-18
JPH07138150A (en) 1995-05-30
ITMI931120A1 (en) 1994-12-01
SI0631775T1 (en) 2000-02-29
ATE183386T1 (en) 1999-09-15
ES2138633T3 (en) 2000-01-16
EP0631775A1 (en) 1995-01-04
GR3031841T3 (en) 2000-02-29
DE69420087T2 (en) 2000-03-23
US5650169A (en) 1997-07-22
US5487901A (en) 1996-01-30
DK0631775T3 (en) 2000-03-06
NZ260630A (en) 1995-08-28

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Legal Events

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Effective date: 20140527