ATE220081T1 - Verfahren zur herstellung von polymeren mikropartikeln ohne spuren organischer lösungsmittel - Google Patents

Verfahren zur herstellung von polymeren mikropartikeln ohne spuren organischer lösungsmittel

Info

Publication number
ATE220081T1
ATE220081T1 AT97910180T AT97910180T ATE220081T1 AT E220081 T1 ATE220081 T1 AT E220081T1 AT 97910180 T AT97910180 T AT 97910180T AT 97910180 T AT97910180 T AT 97910180T AT E220081 T1 ATE220081 T1 AT E220081T1
Authority
AT
Austria
Prior art keywords
polymer
continuous phase
microparticles
dispersed
polymers
Prior art date
Application number
AT97910180T
Other languages
English (en)
Inventor
Abdellatif Chenite
Cyril Chaput
Amine Selmani
Original Assignee
Biosyntech Canada Inc
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 Biosyntech Canada Inc filed Critical Biosyntech Canada Inc
Application granted granted Critical
Publication of ATE220081T1 publication Critical patent/ATE220081T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/005—Processes for mixing polymers
    • 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
    • A61K9/48—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
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • 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
    • A61K9/1635—Organic macromolecular compounds 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
    • A61K9/14—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
    • A61K9/1641—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)
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • 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.]
    • 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.]
    • Y10T428/2989—Microcapsule with solid core [includes liposome]

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Medicinal Preparation (AREA)
AT97910180T 1996-10-24 1997-10-24 Verfahren zur herstellung von polymeren mikropartikeln ohne spuren organischer lösungsmittel ATE220081T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/736,421 US5858531A (en) 1996-10-24 1996-10-24 Method for preparation of polymer microparticles free of organic solvent traces
PCT/CA1997/000797 WO1998017710A1 (en) 1996-10-24 1997-10-24 Method for preparation of polymer microparticles free of organic solvent traces

Publications (1)

Publication Number Publication Date
ATE220081T1 true ATE220081T1 (de) 2002-07-15

Family

ID=24959790

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97910180T ATE220081T1 (de) 1996-10-24 1997-10-24 Verfahren zur herstellung von polymeren mikropartikeln ohne spuren organischer lösungsmittel

Country Status (7)

Country Link
US (1) US5858531A (de)
EP (1) EP0934353B1 (de)
AT (1) ATE220081T1 (de)
AU (1) AU4769397A (de)
CA (1) CA2303179A1 (de)
DE (1) DE69713787D1 (de)
WO (1) WO1998017710A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19814352A1 (de) * 1998-03-31 1999-10-07 Basf Ag Verfahren zur Herstellung von Thermoplastpulvern
FR2814089B1 (fr) * 2000-09-21 2003-07-04 Ethypharm Lab Prod Ethiques Procede pour isoler et secher des microparticules (microspheres ou microcapsules) initialement dispersees ou suspendues en phase liquide
DE60222734T2 (de) * 2002-03-15 2008-07-17 Alrise Biosystems Gmbh Mikropartikel und Verfahren zur deren Herstellung
US6731109B2 (en) 2002-07-12 2004-05-04 Wabash Technologies, Inc. Magnetic position sensor having a stepped magnet interface
US8986737B2 (en) * 2002-09-05 2015-03-24 Wm. Marsh Rice University Antibiotic microspheres for treatment and prevention of osteomyelitis and enhancement of bone regrowth
CA2497973C (en) * 2002-09-05 2012-11-06 Catherine G. Ambrose Antibiotic microspheres for treatment of infections and osteomyelitis
JP2006328208A (ja) * 2005-05-26 2006-12-07 Daicel Degussa Ltd 真球状熱可塑性樹脂微粒子の製造法
ATE475686T1 (de) * 2006-10-31 2010-08-15 Surmodics Pharmaceuticals Inc Kugelförmige polymer-teilchen
KR101545874B1 (ko) 2007-09-03 2015-08-20 나노테라퓨틱스, 인코포레이티드 난용성 약물의 전달을 위한 입상 조성물
US20130156935A1 (en) 2011-12-14 2013-06-20 Rachit Ohri Methods for Coating Medical Devices
KR20180103664A (ko) * 2017-03-09 2018-09-19 (주)엘지하우시스 열가소성 폴리우레탄 입자 및 이의 제조방법
CN111542300B (zh) 2017-12-29 2023-03-28 联合利华知识产权控股有限公司 非球形微囊
MX2020006686A (es) 2017-12-29 2021-09-14 Unilever Ip Holdings B V Microcápsula no esférica.
US20240059845A1 (en) * 2020-12-30 2024-02-22 Interfacial Consultants Llc Polymeric microparticle compositions

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976574A (en) * 1956-07-31 1961-03-28 Union Carbide Corp Chemical process and product
US3586654A (en) * 1969-04-15 1971-06-22 Nat Distillers Chem Corp Process for the preparation of polymer powders of controlled particle shape,size and size distribution and product
US3755558A (en) * 1971-02-23 1973-08-28 Du Pont Polylactide drug mixtures for topical application atelet aggregation
IT1021282B (it) * 1973-10-11 1978-01-30 Basf Ag Processo per la preparazione di dispersioni di poliesterimidi
US4254207A (en) * 1979-12-26 1981-03-03 Hercules Incorporated Process for producing spherical particles or crystalline polymers
US4933105A (en) * 1980-06-13 1990-06-12 Sandoz Pharm. Corp. Process for preparation of microspheres
DE3026762C2 (de) * 1980-07-15 1985-04-25 Akzo Gmbh, 5600 Wuppertal Verfahren zum Herstellen von porösem, pulverförmigem Polypropylen und Verwendung der Verfahrensprodukte
US4568559A (en) * 1984-02-06 1986-02-04 Biotek, Inc. Composite core coated microparticles and process of preparing same
US4902792A (en) * 1985-04-19 1990-02-20 Kanebo Ltd. Fine cellulose particles and process for production thereof
US4861627A (en) * 1987-05-01 1989-08-29 Massachusetts Institute Of Technology Preparation of multiwall polymeric microcapsules
GB2246514B (en) * 1990-08-01 1993-12-15 Scras Sustained release pharmaceutical compositions and the preparation of particles for use therein
JPH04372828A (ja) * 1991-06-24 1992-12-25 Matsushita Electric Ind Co Ltd 熱画像検出装置
GB9310030D0 (en) * 1993-05-15 1993-06-30 Scras Dry processed particles and process for the preparation of the same

Also Published As

Publication number Publication date
WO1998017710A1 (en) 1998-04-30
US5858531A (en) 1999-01-12
DE69713787D1 (de) 2002-08-08
AU4769397A (en) 1998-05-15
EP0934353A1 (de) 1999-08-11
EP0934353B1 (de) 2002-07-03
CA2303179A1 (en) 1998-04-30

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