ATE74025T1 - Verfahren zur herstellung eines kolloidalen, dispersiblen systems von nanokapseln. - Google Patents

Verfahren zur herstellung eines kolloidalen, dispersiblen systems von nanokapseln.

Info

Publication number
ATE74025T1
ATE74025T1 AT87402998T AT87402998T ATE74025T1 AT E74025 T1 ATE74025 T1 AT E74025T1 AT 87402998 T AT87402998 T AT 87402998T AT 87402998 T AT87402998 T AT 87402998T AT E74025 T1 ATE74025 T1 AT E74025T1
Authority
AT
Austria
Prior art keywords
solvents
solvent
mixture
nanocapsules
substance
Prior art date
Application number
AT87402998T
Other languages
English (en)
Inventor
Hatem Fessi
Francis Puisieux
Jean-Philippe Devissaguet
Original Assignee
Centre Nat Rech Scient
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 Centre Nat Rech Scient filed Critical Centre Nat Rech Scient
Application granted granted Critical
Publication of ATE74025T1 publication Critical patent/ATE74025T1/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
    • A61K9/48—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
    • A61K9/51—Nanocapsules; Nanoparticles
    • A61K9/5107—Excipients; Inactive ingredients
    • A61K9/513—Organic macromolecular compounds; Dendrimers
    • A61K9/5138—Organic macromolecular compounds; Dendrimers 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
    • A61K9/51—Nanocapsules; Nanoparticles
    • A61K9/5107—Excipients; Inactive ingredients
    • A61K9/513—Organic macromolecular compounds; Dendrimers
    • A61K9/5146—Organic macromolecular compounds; Dendrimers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyamines, polyanhydrides
    • A61K9/5153—Polyesters, e.g. poly(lactide-co-glycolide)
    • 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
    • A61K9/51—Nanocapsules; Nanoparticles
    • A61K9/5192—Processes
    • 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]

Landscapes

  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nanotechnology (AREA)
  • Optics & Photonics (AREA)
  • Physics & Mathematics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
  • Colloid Chemistry (AREA)
AT87402998T 1986-12-31 1987-12-28 Verfahren zur herstellung eines kolloidalen, dispersiblen systems von nanokapseln. ATE74025T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8618444A FR2608942B1 (fr) 1986-12-31 1986-12-31 Procede de preparation de systemes colloidaux dispersibles d'une substance, sous forme de nanocapsules
EP87402998A EP0274961B1 (de) 1986-12-31 1987-12-28 Verfahren zur Herstellung eines kolloidalen, dispersiblen Systems von Nanokapseln

Publications (1)

Publication Number Publication Date
ATE74025T1 true ATE74025T1 (de) 1992-04-15

Family

ID=9342495

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87402998T ATE74025T1 (de) 1986-12-31 1987-12-28 Verfahren zur herstellung eines kolloidalen, dispersiblen systems von nanokapseln.

Country Status (9)

Country Link
US (1) US5049322A (de)
EP (1) EP0274961B1 (de)
JP (1) JPH0693998B2 (de)
AT (1) ATE74025T1 (de)
CA (1) CA1293170C (de)
DE (1) DE3777793D1 (de)
ES (1) ES2031529T3 (de)
FR (1) FR2608942B1 (de)
GR (1) GR3004198T3 (de)

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US5049322A (en) 1991-09-17
EP0274961B1 (de) 1992-03-25
EP0274961A1 (de) 1988-07-20
DE3777793D1 (de) 1992-04-30
JPS63232840A (ja) 1988-09-28
CA1293170C (en) 1991-12-17
FR2608942A1 (fr) 1988-07-01
JPH0693998B2 (ja) 1994-11-24
ES2031529T3 (es) 1992-12-16
GR3004198T3 (de) 1993-03-31
FR2608942B1 (fr) 1991-01-11

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