CH485757A - Verfahren zur Herstellung eines abriebfesten, nicht verfärbten Coffein-Granulates - Google Patents

Verfahren zur Herstellung eines abriebfesten, nicht verfärbten Coffein-Granulates

Info

Publication number
CH485757A
CH485757A CH119165A CH119165A CH485757A CH 485757 A CH485757 A CH 485757A CH 119165 A CH119165 A CH 119165A CH 119165 A CH119165 A CH 119165A CH 485757 A CH485757 A CH 485757A
Authority
CH
Switzerland
Prior art keywords
discolored
abrasion
resistant
production
caffeine
Prior art date
Application number
CH119165A
Other languages
German (de)
English (en)
Inventor
Helmut Dipl Chem Krahnefeld
Original Assignee
Dresden Arzneimittel
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 Dresden Arzneimittel filed Critical Dresden Arzneimittel
Publication of CH485757A publication Critical patent/CH485757A/de

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1682Processes
    • A61K9/1688Processes resulting in pure drug agglomerate optionally containing up to 5% of excipient
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/02Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/04Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
    • C07D473/12Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1, 3, and 7, e.g. caffeine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
CH119165A 1964-10-17 1965-01-28 Verfahren zur Herstellung eines abriebfesten, nicht verfärbten Coffein-Granulates CH485757A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD10710264 1964-10-17

Publications (1)

Publication Number Publication Date
CH485757A true CH485757A (de) 1970-02-15

Family

ID=5478303

Family Applications (1)

Application Number Title Priority Date Filing Date
CH119165A CH485757A (de) 1964-10-17 1965-01-28 Verfahren zur Herstellung eines abriebfesten, nicht verfärbten Coffein-Granulates

Country Status (6)

Country Link
BE (1) BE660046A (id)
CH (1) CH485757A (id)
DE (1) DE1620656A1 (id)
GB (1) GB1088777A (id)
NL (1) NL6501358A (id)
SE (1) SE308366B (id)

Also Published As

Publication number Publication date
BE660046A (id) 1965-08-23
SE308366B (id) 1969-02-10
NL6501358A (id) 1966-08-04
GB1088777A (en) 1967-10-25
DE1620656A1 (de) 1970-07-16

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Legal Events

Date Code Title Description
PL Patent ceased