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IT1171290B - Microsfere e loro preparazione - Google Patents

Microsfere e loro preparazione

Info

Publication number
IT1171290B
IT1171290B IT48654/81A IT4865481A IT1171290B IT 1171290 B IT1171290 B IT 1171290B IT 48654/81 A IT48654/81 A IT 48654/81A IT 4865481 A IT4865481 A IT 4865481A IT 1171290 B IT1171290 B IT 1171290B
Authority
IT
Italy
Prior art keywords
microspheres
preparation
Prior art date
Application number
IT48654/81A
Other languages
English (en)
Other versions
IT8148654A0 (it
IT8148654A1 (it
Inventor
Wing Fong Jones
Original Assignee
Sandoz 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
Application filed by Sandoz Ag filed Critical Sandoz Ag
Publication of IT8148654A0 publication Critical patent/IT8148654A0/it
Publication of IT8148654A1 publication Critical patent/IT8148654A1/it
Application granted granted Critical
Publication of IT1171290B publication Critical patent/IT1171290B/it

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
    • A61K9/1682—Processes
    • A61K9/1694—Processes resulting in granules or microspheres of the matrix type containing more than 5% of excipient
    • 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
    • A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • A61K9/1647—Polyesters, e.g. poly(lactide-co-glycolide)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/12—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution
    • B01J13/125—Making microcapsules or microballoons by phase separation removing solvent from the wall-forming material solution by evaporation of the solvent

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
IT48654/81A 1980-06-13 1981-06-11 Microsfere e loro preparazione IT1171290B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/159,148 US4384975A (en) 1980-06-13 1980-06-13 Process for preparation of microspheres

Publications (3)

Publication Number Publication Date
IT8148654A0 IT8148654A0 (it) 1981-06-11
IT8148654A1 IT8148654A1 (it) 1982-12-11
IT1171290B true IT1171290B (it) 1987-06-10

Family

ID=22571283

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48654/81A IT1171290B (it) 1980-06-13 1981-06-11 Microsfere e loro preparazione

Country Status (7)

Country Link
US (1) US4384975A (it)
JP (1) JPS5727128A (it)
CH (1) CH648217A5 (it)
DE (1) DE3121983A1 (it)
FR (1) FR2484281B1 (it)
GB (1) GB2077693B (it)
IT (1) IT1171290B (it)

Families Citing this family (159)

* Cited by examiner, † Cited by third party
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GB2077693B (en) 1983-11-30
CH648217A5 (de) 1985-03-15
FR2484281A1 (fr) 1981-12-18
IT8148654A0 (it) 1981-06-11
IT8148654A1 (it) 1982-12-11
US4384975A (en) 1983-05-24
DE3121983A1 (de) 1982-02-04
JPS5727128A (en) 1982-02-13
FR2484281B1 (fr) 1986-02-21
GB2077693A (en) 1981-12-23

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