DE1078284B - Umhuellung von Arzneimitteln mit magenresistenten darmloeslichen Schutzschichten - Google Patents

Umhuellung von Arzneimitteln mit magenresistenten darmloeslichen Schutzschichten

Info

Publication number
DE1078284B
DE1078284B DEF26778A DEF0026778A DE1078284B DE 1078284 B DE1078284 B DE 1078284B DE F26778 A DEF26778 A DE F26778A DE F0026778 A DEF0026778 A DE F0026778A DE 1078284 B DE1078284 B DE 1078284B
Authority
DE
Germany
Prior art keywords
weight
parts
acid
wrapping
copolymers
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.)
Pending
Application number
DEF26778A
Other languages
German (de)
English (en)
Inventor
Dr Wolf-Dietrich Schellenberg
Dr Helmut Kramer
Dr Herbert Bartl
Hans Hoefer
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.)
Bayer AG
Original Assignee
Bayer AG
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
Priority to NL244182D priority Critical patent/NL244182A/xx
Priority to BE583454D priority patent/BE583454A/xx
Application filed by Bayer AG filed Critical Bayer AG
Priority to DEF26778A priority patent/DE1078284B/de
Priority to GB3372259A priority patent/GB867734A/en
Priority to SE942059A priority patent/SE303349B/xx
Publication of DE1078284B publication Critical patent/DE1078284B/de
Pending 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
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1635—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
    • A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
    • A61K9/2806—Coating materials
    • A61K9/282—Organic compounds, e.g. fats
    • 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
    • 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
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5026—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
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5073—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals having two or more different coatings optionally including drug-containing subcoatings
    • A61K9/5078—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals having two or more different coatings optionally including drug-containing subcoatings with drug-free core

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Preparation (AREA)
DEF26778A 1958-10-10 1958-10-10 Umhuellung von Arzneimitteln mit magenresistenten darmloeslichen Schutzschichten Pending DE1078284B (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL244182D NL244182A (cs) 1958-10-10
BE583454D BE583454A (cs) 1958-10-10
DEF26778A DE1078284B (de) 1958-10-10 1958-10-10 Umhuellung von Arzneimitteln mit magenresistenten darmloeslichen Schutzschichten
GB3372259A GB867734A (en) 1958-10-10 1959-10-05 Delayed-release pharmaceutical preparations
SE942059A SE303349B (cs) 1958-10-10 1959-10-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF26778A DE1078284B (de) 1958-10-10 1958-10-10 Umhuellung von Arzneimitteln mit magenresistenten darmloeslichen Schutzschichten

Publications (1)

Publication Number Publication Date
DE1078284B true DE1078284B (de) 1960-03-24

Family

ID=7092158

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF26778A Pending DE1078284B (de) 1958-10-10 1958-10-10 Umhuellung von Arzneimitteln mit magenresistenten darmloeslichen Schutzschichten

Country Status (5)

Country Link
BE (1) BE583454A (cs)
DE (1) DE1078284B (cs)
GB (1) GB867734A (cs)
NL (1) NL244182A (cs)
SE (1) SE303349B (cs)

Also Published As

Publication number Publication date
GB867734A (en) 1961-05-10
SE303349B (cs) 1968-08-26
NL244182A (cs)
BE583454A (cs)

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