GR3018872T3 - Biodegradable microspheres as a carrier for macromolecules - Google Patents

Biodegradable microspheres as a carrier for macromolecules

Info

Publication number
GR3018872T3
GR3018872T3 GR960400266T GR960400266T GR3018872T3 GR 3018872 T3 GR3018872 T3 GR 3018872T3 GR 960400266 T GR960400266 T GR 960400266T GR 960400266 T GR960400266 T GR 960400266T GR 3018872 T3 GR3018872 T3 GR 3018872T3
Authority
GR
Greece
Prior art keywords
water
biologically active
macromolecules
carrier
biodegradable microspheres
Prior art date
Application number
GR960400266T
Other languages
English (en)
Inventor
Patrick P Deluca
Frantisek Rypacek
Original Assignee
Univ Kentucky Res Found
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 Univ Kentucky Res Found filed Critical Univ Kentucky Res Found
Publication of GR3018872T3 publication Critical patent/GR3018872T3/el

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
    • 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
    • A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]
    • Y10T428/2985—Solid-walled microcapsule from synthetic polymer
    • Y10T428/2987—Addition polymer from unsaturated monomers only

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Preparation (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerisation Methods In General (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
GR960400266T 1986-05-16 1996-02-01 Biodegradable microspheres as a carrier for macromolecules GR3018872T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/864,147 US4741872A (en) 1986-05-16 1986-05-16 Preparation of biodegradable microspheres useful as carriers for macromolecules

Publications (1)

Publication Number Publication Date
GR3018872T3 true GR3018872T3 (en) 1996-05-31

Family

ID=25342631

Family Applications (1)

Application Number Title Priority Date Filing Date
GR960400266T GR3018872T3 (en) 1986-05-16 1996-02-01 Biodegradable microspheres as a carrier for macromolecules

Country Status (11)

Country Link
US (1) US4741872A (el)
EP (1) EP0245820B1 (el)
JP (1) JP2634813B2 (el)
AT (1) ATE132035T1 (el)
AU (1) AU600723B2 (el)
CA (1) CA1309657C (el)
DE (1) DE3751647T2 (el)
DK (1) DK175890B1 (el)
ES (1) ES2080715T3 (el)
GR (1) GR3018872T3 (el)
NZ (1) NZ220323A (el)

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Also Published As

Publication number Publication date
JP2634813B2 (ja) 1997-07-30
EP0245820B1 (en) 1995-12-27
DK175890B1 (da) 2005-05-30
DE3751647T2 (de) 1996-06-20
US4741872A (en) 1988-05-03
DE3751647D1 (de) 1996-02-08
EP0245820A3 (en) 1991-01-30
NZ220323A (en) 1991-04-26
CA1309657C (en) 1992-11-03
ATE132035T1 (de) 1996-01-15
JPS6328445A (ja) 1988-02-06
AU600723B2 (en) 1990-08-23
DK244687A (da) 1987-11-17
AU7266887A (en) 1987-11-19
EP0245820A2 (en) 1987-11-19
DK244687D0 (da) 1987-05-14
ES2080715T3 (es) 1996-02-16

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