ATE261338T1 - Verfahren zum einkapseln von aktiven materialien durch koazervierung von polymern in nichtchlorierten organischem lösungsmittel - Google Patents

Verfahren zum einkapseln von aktiven materialien durch koazervierung von polymern in nichtchlorierten organischem lösungsmittel

Info

Publication number
ATE261338T1
ATE261338T1 AT00958741T AT00958741T ATE261338T1 AT E261338 T1 ATE261338 T1 AT E261338T1 AT 00958741 T AT00958741 T AT 00958741T AT 00958741 T AT00958741 T AT 00958741T AT E261338 T1 ATE261338 T1 AT E261338T1
Authority
AT
Austria
Prior art keywords
active principle
organic solvent
coacervation
coazervation
polymers
Prior art date
Application number
AT00958741T
Other languages
English (en)
Inventor
Jean-Pierre Benoit
Joel Richard
Elvire Fournier
Sonia Liu
Original Assignee
Mainelab
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 Mainelab filed Critical Mainelab
Application granted granted Critical
Publication of ATE261338T1 publication Critical patent/ATE261338T1/de

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
    • B01J13/08—Simple coacervation, i.e. addition of highly hydrophilic material
    • 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
    • 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
    • A61K9/4841—Filling excipients; Inactive ingredients
    • A61K9/4866—Organic macromolecular compounds
    • 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
    • A61K9/5089—Processes

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
AT00958741T 1999-08-27 2000-08-25 Verfahren zum einkapseln von aktiven materialien durch koazervierung von polymern in nichtchlorierten organischem lösungsmittel ATE261338T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9910854A FR2797784B1 (fr) 1999-08-27 1999-08-27 Procede d'encapsulation de matieres actives par coacervation de polymeres en solvant organique non-chlore
PCT/FR2000/002376 WO2001015799A1 (fr) 1999-08-27 2000-08-25 Procede d'encapsulation de matieres actives par coacervation de polymeres en solvant organique non-chlore

Publications (1)

Publication Number Publication Date
ATE261338T1 true ATE261338T1 (de) 2004-03-15

Family

ID=9549384

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00958741T ATE261338T1 (de) 1999-08-27 2000-08-25 Verfahren zum einkapseln von aktiven materialien durch koazervierung von polymern in nichtchlorierten organischem lösungsmittel

Country Status (18)

Country Link
EP (1) EP1216091B9 (de)
JP (1) JP5217070B2 (de)
KR (1) KR100661093B1 (de)
CN (1) CN1317064C (de)
AT (1) ATE261338T1 (de)
AU (1) AU776959B2 (de)
CA (1) CA2382697C (de)
DE (1) DE60008894T2 (de)
DK (1) DK1216091T3 (de)
ES (1) ES2215718T3 (de)
FR (1) FR2797784B1 (de)
HU (1) HU228747B1 (de)
IL (2) IL148316A0 (de)
MX (1) MXPA02002250A (de)
NO (1) NO322106B1 (de)
PT (1) PT1216091E (de)
WO (1) WO2001015799A1 (de)
ZA (1) ZA200201543B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6767637B2 (en) 2000-12-13 2004-07-27 Purdue Research Foundation Microencapsulation using ultrasonic atomizers
AU2001298061A1 (en) 2000-12-13 2003-07-09 Purdue Research Foundation Microencapsulation of drugs by solvent exchange
WO2002049620A2 (en) * 2000-12-21 2002-06-27 Inhale Therapeutic Systems, Inc. Induced phase transition method for the production of microparticles containing hydrophobic active agents
FR2824756B1 (fr) * 2001-05-16 2005-07-08 Mainelab Microcapsules a base de proteines vegetales
FR2832312B1 (fr) * 2001-11-21 2004-01-16 Inst Nat Sante Rech Med Procede de preparation de microparticules sans solvant toxique, microparticules obtenues selon ce procede, utilisations et compositions pharmaceutiques
US20090095164A1 (en) * 2007-05-17 2009-04-16 Salvatore Albert Celeste Method of enhancing beverages by means of a unique microencapsulated delivery system
BRPI0823242A2 (pt) 2008-11-10 2015-06-16 Colgate Palmolive Co Pasta fluida de cápsula, composição de dentifrício, e, método para reduzir vazamento de cápsulas coacervadas

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389330A (en) * 1980-10-06 1983-06-21 Stolle Research And Development Corporation Microencapsulation process
JPS5966425A (ja) * 1982-10-08 1984-04-14 Mitsui Toatsu Chem Inc 生体分解性重合体を用いた微小粒子の製造方法
JPS62213840A (ja) * 1986-03-14 1987-09-19 Snow Brand Milk Prod Co Ltd マイクロカプセルの乾燥方法
JPS6365945A (ja) * 1986-09-05 1988-03-24 Eisai Co Ltd マイクロカプセルの製造方法
US5234520A (en) * 1987-03-20 1993-08-10 Morgan Adhesives Co. Method of making an adhesive construction
JP2670680B2 (ja) * 1988-02-24 1997-10-29 株式会社ビーエムジー 生理活性物質含有ポリ乳酸系微小球およびその製造法
US5324520A (en) * 1988-12-19 1994-06-28 Vipont Pharmaceutical, Inc. Intragingival delivery systems for treatment of periodontal disease
JP3114245B2 (ja) * 1991-06-03 2000-12-04 藤沢薬品工業株式会社 持続性製剤の製造方法
CA2150803C (en) * 1992-12-02 2006-01-31 Henry Auer Controlled release growth hormone containing microspheres
CN1074923C (zh) * 1993-11-19 2001-11-21 詹森药业有限公司 微囊密封的3-哌啶基取代的1,2-苯并异唑类和1,2-苯并异噻唑类
EP2283821A1 (de) * 1993-11-19 2011-02-16 Alkermes, Inc. Herstellung biodegradierbarer Mikroteilchen, die ein biologisch aktives Mittel enthalten
US5650173A (en) * 1993-11-19 1997-07-22 Alkermes Controlled Therapeutics Inc. Ii Preparation of biodegradable microparticles containing a biologically active agent
US5792477A (en) * 1996-05-07 1998-08-11 Alkermes Controlled Therapeutics, Inc. Ii Preparation of extended shelf-life biodegradable, biocompatible microparticles containing a biologically active agent

Also Published As

Publication number Publication date
CA2382697C (fr) 2009-05-05
KR20020046284A (ko) 2002-06-20
HU0203199D0 (de) 2002-10-28
AU776959B2 (en) 2004-09-30
WO2001015799A1 (fr) 2001-03-08
NO322106B1 (no) 2006-08-14
IL148316A (en) 2006-10-31
MXPA02002250A (es) 2003-08-20
FR2797784B1 (fr) 2001-11-30
EP1216091A1 (de) 2002-06-26
HU228747B1 (en) 2013-05-28
IL148316A0 (en) 2002-09-12
AU7016800A (en) 2001-03-26
NO20020881D0 (no) 2002-02-22
EP1216091B1 (de) 2004-03-10
ZA200201543B (en) 2002-11-27
DE60008894T2 (de) 2005-03-03
CA2382697A1 (fr) 2001-03-08
NO20020881L (no) 2002-04-25
KR100661093B1 (ko) 2006-12-22
JP5217070B2 (ja) 2013-06-19
FR2797784A1 (fr) 2001-03-02
JP2003508195A (ja) 2003-03-04
PT1216091E (pt) 2004-08-31
CN1317064C (zh) 2007-05-23
DE60008894D1 (de) 2004-04-15
ES2215718T3 (es) 2004-10-16
HUP0203199A2 (en) 2003-03-28
DK1216091T3 (da) 2004-07-12
EP1216091B9 (de) 2005-01-19
CN1371301A (zh) 2002-09-25

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