AT297224B - Verfahren zur Herstellung von Tabletten mit verzögerter Wirkstoffreigabe - Google Patents

Verfahren zur Herstellung von Tabletten mit verzögerter Wirkstoffreigabe

Info

Publication number
AT297224B
AT297224B AT963169A AT963169A AT297224B AT 297224 B AT297224 B AT 297224B AT 963169 A AT963169 A AT 963169A AT 963169 A AT963169 A AT 963169A AT 297224 B AT297224 B AT 297224B
Authority
AT
Austria
Prior art keywords
tablets
production
active ingredient
delayed release
delayed
Prior art date
Application number
AT963169A
Other languages
English (en)
Inventor
Thomas Hugh Shepherd
Francis Eugene Gould
Original Assignee
Nat Patent Dev Corp
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 Nat Patent Dev Corp filed Critical Nat Patent Dev Corp
Application granted granted Critical
Publication of AT297224B publication Critical patent/AT297224B/de

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
    • A61K9/0087—Galenical forms not covered by A61K9/02 - A61K9/7023
    • A61K9/0092—Hollow drug-filled fibres, tubes of the core-shell type, coated fibres, coated rods, microtubules or nanotubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
    • A61J3/10—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms into the form of compressed tablets
    • 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
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/2027—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • 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
    • A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
    • A61K9/2806—Coating materials
    • A61K9/2833—Organic macromolecular compounds
    • A61K9/284—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone
    • A61K9/2846—Poly(meth)acrylates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0058—Biocides

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Medicinal Preparation (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
AT963169A 1968-10-11 1969-10-13 Verfahren zur Herstellung von Tabletten mit verzögerter Wirkstoffreigabe AT297224B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76684068A 1968-10-11 1968-10-11

Publications (1)

Publication Number Publication Date
AT297224B true AT297224B (de) 1972-03-10

Family

ID=25077683

Family Applications (2)

Application Number Title Priority Date Filing Date
AT944969A AT298144B (de) 1968-10-11 1969-10-07 Verfahren zur Herstellung einer Abgabedosis
AT963169A AT297224B (de) 1968-10-11 1969-10-13 Verfahren zur Herstellung von Tabletten mit verzögerter Wirkstoffreigabe

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT944969A AT298144B (de) 1968-10-11 1969-10-07 Verfahren zur Herstellung einer Abgabedosis

Country Status (10)

Country Link
US (1) US3577512A (de)
AT (2) AT298144B (de)
BE (1) BE740070A (de)
CH (1) CH570806A5 (de)
DE (1) DE1949894C3 (de)
DK (1) DK130627B (de)
FR (1) FR2035811B1 (de)
GB (1) GB1280711A (de)
NL (1) NL6915311A (de)
NO (1) NO130668C (de)

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US3911100A (en) * 1973-09-10 1975-10-07 Union Corp Sustained release of methantheline
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US3901967A (en) * 1973-09-10 1975-08-26 Union Corp Sustained release of atropine
US3901968A (en) * 1973-09-10 1975-08-26 Union Corp Sustained release of methantheline
US3901970A (en) * 1973-09-10 1975-08-26 Union Corp Sustained release of dexamethasone
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JPS52139715A (en) * 1976-05-14 1977-11-21 Nippon Kayaku Co Ltd Coated granules of alkali polyacrylate
US4136250A (en) * 1977-07-20 1979-01-23 Ciba-Geigy Corporation Polysiloxane hydrogels
US4196187A (en) * 1977-09-02 1980-04-01 Eastman Kodak Company Rumen-stable pellets
US4181710A (en) * 1977-09-02 1980-01-01 Eastman Kodak Company Rumen-stable pellets
US4181709A (en) * 1977-09-02 1980-01-01 Eastman Kodak Company Rumen-stable pellets
DE2908794C2 (de) * 1978-03-09 1984-09-13 Japan Atomic Energy Research Institute, Tokio/Tokyo Verfahren zur Herstellung eines eine physiologisch aktive Substanz enthaltenden Polymerpräparates
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US4587129A (en) * 1979-03-07 1986-05-06 National Patent Development Co. Hydrophilic gels containing high amounts of fragrance
US4298002A (en) * 1979-09-10 1981-11-03 National Patent Development Corporation Porous hydrophilic materials, chambers therefrom, and devices comprising such chambers and biologically active tissue and methods of preparation
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US4370313A (en) * 1981-10-26 1983-01-25 Eaton Laboratories, Inc. Nitrofurantoin dosage form
US4576604A (en) * 1983-03-04 1986-03-18 Alza Corporation Osmotic system with instant drug availability
US4673405A (en) * 1983-03-04 1987-06-16 Alza Corporation Osmotic system with instant drug availability
DE3403329A1 (de) * 1984-02-01 1985-08-01 Horst Dr. 4019 Monheim Zerbe Pharmazeutisches produkt in form von pellets mit kontinuierlicher, verzoegerter wirkstoffabgabe
IT1206166B (it) * 1984-07-26 1989-04-14 Sigma Tau Ind Farmaceuti Dispositivo per rilasciare una sostanza in un fluido di dissoluzione con cinetica di ordine zero e procedimento per la sua preparazione
US4749576A (en) * 1984-05-10 1988-06-07 Ciba-Geigy Corporation Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release, their manufacture and use
US4624848A (en) * 1984-05-10 1986-11-25 Ciba-Geigy Corporation Active agent containing hydrogel devices wherein the active agent concentration profile contains a sigmoidal concentration gradient for improved constant release, their manufacture and use
FR2565107B1 (fr) * 1984-05-30 1986-09-05 Ucb Laboratoires Nouveau medicament a base de charbon actif et son procede de preparation
US4713237A (en) * 1984-06-18 1987-12-15 Schering Corporation Sustained release dosage form
US4769027A (en) * 1984-08-15 1988-09-06 Burroughs Wellcome Co. Delivery system
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US4789548A (en) * 1986-04-24 1988-12-06 Tisdale John W Medication and method for treating heartworms in dogs
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US5084278A (en) * 1989-06-02 1992-01-28 Nortec Development Associates, Inc. Taste-masked pharmaceutical compositions
DE3918801A1 (de) * 1989-06-06 1991-05-08 Schmidt Walter Praeparat zur geregelten wirkstoffabgabe und verfahren zu dessen herstellung
US6482516B1 (en) * 1993-07-20 2002-11-19 Banner Pharmacaps, Inc. Enrobed tablet
DE4029591C2 (de) * 1990-09-19 1995-01-26 Stockhausen Chem Fab Gmbh Verfahren zur Herstellung von Absorptionsmaterial auf Polymerbasis mit Zusatz von wasserlöslichen Substanzen und Verwendung dieses Absorptionsmaterials zur Aufnahme und/oder zur nachfolgenden Abgabe von Wasser oder wäßrigen Lösungen
DE4310012A1 (de) * 1993-03-27 1994-09-29 Roehm Gmbh Dermales therapeutisches System aus einer schmelzfähigen Poly(meth)acrylat-Mischung
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US5398850A (en) * 1993-08-06 1995-03-21 River Medical, Inc. Gas delivery apparatus for infusion
US5398851A (en) * 1993-08-06 1995-03-21 River Medical, Inc. Liquid delivery device
US5571261A (en) * 1993-08-06 1996-11-05 River Medical, Inc Liquid delivery device
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US5700245A (en) * 1995-07-13 1997-12-23 Winfield Medical Apparatus for the generation of gas pressure for controlled fluid delivery
GB0007419D0 (en) † 2000-03-27 2000-05-17 Smithkline Beecham Gmbh Composition
PT1276470E (pt) 2000-04-20 2007-08-13 Novartis Ag Composição de revestimento para dissimular o sabor
US7121077B2 (en) 2000-10-31 2006-10-17 World Fibers, Inc. Antimicrobial cut-resistant composite yarn and garments knitted or woven therefrom
US6779330B1 (en) 2000-10-31 2004-08-24 World Fibers, Inc. Antimicrobial cut-resistant composite yarn and garments knitted or woven therefrom
ITMI20041772A1 (it) * 2004-09-17 2004-12-17 Bioprogress Spa Formulazione a rilascio controllato di tiamina e loro impiego nel trattamento di patologie collegate a difetti nei processi di apprendimento e memorizzazione.
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US9713592B2 (en) * 2005-04-06 2017-07-25 Mallinckrodt Llc Matrix-based pulse release pharmaceutical formulation

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US2736682A (en) * 1954-10-11 1956-02-28 Victor M Hermelin Method of making a prolonged action medicinal tablet

Also Published As

Publication number Publication date
DE1949894C3 (de) 1973-10-04
DE1949894B2 (de) 1973-03-08
DK130627C (de) 1975-08-04
NL6915311A (de) 1970-04-14
GB1280711A (en) 1972-07-05
US3577512A (en) 1971-05-04
CH570806A5 (de) 1975-12-31
FR2035811A1 (de) 1970-12-24
BE740070A (de) 1970-04-10
AT298144B (de) 1972-04-25
DE1949894A1 (de) 1970-08-20
NO130668B (de) 1974-10-14
DK130627B (da) 1975-03-17
FR2035811B1 (de) 1973-01-12
NO130668C (de) 1975-01-22

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee