DE60033040D1 - Emulsionsverfahren zur herstellung von mikropartikeln - Google Patents

Emulsionsverfahren zur herstellung von mikropartikeln

Info

Publication number
DE60033040D1
DE60033040D1 DE60033040T DE60033040T DE60033040D1 DE 60033040 D1 DE60033040 D1 DE 60033040D1 DE 60033040 T DE60033040 T DE 60033040T DE 60033040 T DE60033040 T DE 60033040T DE 60033040 D1 DE60033040 D1 DE 60033040D1
Authority
DE
Germany
Prior art keywords
microparticles
manufacture
emulsion process
emulsion
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.)
Expired - Lifetime
Application number
DE60033040T
Other languages
English (en)
Other versions
DE60033040T2 (de
Inventor
W Gibson
J Holl
J Tipton
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.)
Durect Corp
Original Assignee
Durect Corp
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 Durect Corp filed Critical Durect Corp
Publication of DE60033040D1 publication Critical patent/DE60033040D1/de
Application granted granted Critical
Publication of DE60033040T2 publication Critical patent/DE60033040T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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)
    • 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
    • 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]
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
DE60033040T 1999-05-03 2000-05-02 Emulsionsverfahren zur herstellung von mikropartikeln Expired - Lifetime DE60033040T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US303842 1999-05-03
US09/303,842 US6291013B1 (en) 1999-05-03 1999-05-03 Emulsion-based processes for making microparticles
PCT/US2000/011781 WO2000066087A2 (en) 1999-05-03 2000-05-02 Emulsion-based processes for making microparticles

Publications (2)

Publication Number Publication Date
DE60033040D1 true DE60033040D1 (de) 2007-03-08
DE60033040T2 DE60033040T2 (de) 2007-11-08

Family

ID=23173948

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60033040T Expired - Lifetime DE60033040T2 (de) 1999-05-03 2000-05-02 Emulsionsverfahren zur herstellung von mikropartikeln

Country Status (7)

Country Link
US (2) US6291013B1 (de)
EP (1) EP1217991B1 (de)
AU (1) AU769951B2 (de)
CA (1) CA2372802C (de)
DE (1) DE60033040T2 (de)
ES (1) ES2282111T3 (de)
WO (1) WO2000066087A2 (de)

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AU769951B2 (en) 2004-02-12
WO2000066087A9 (en) 2001-07-12
US20020142093A1 (en) 2002-10-03
CA2372802A1 (en) 2000-11-09
US6440493B1 (en) 2002-08-27
ES2282111T3 (es) 2007-10-16
CA2372802C (en) 2005-10-18
DE60033040T2 (de) 2007-11-08
WO2000066087A3 (en) 2001-06-21
US6291013B1 (en) 2001-09-18
WO2000066087A2 (en) 2000-11-09
AU4978900A (en) 2000-11-17
EP1217991A2 (de) 2002-07-03

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