DE60008894D1 - 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
DE60008894D1
DE60008894D1 DE60008894T DE60008894T DE60008894D1 DE 60008894 D1 DE60008894 D1 DE 60008894D1 DE 60008894 T DE60008894 T DE 60008894T DE 60008894 T DE60008894 T DE 60008894T DE 60008894 D1 DE60008894 D1 DE 60008894D1
Authority
DE
Germany
Prior art keywords
active principle
organic solvent
coacerating
polymers
coacervation
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
DE60008894T
Other languages
English (en)
Other versions
DE60008894T2 (de
Inventor
Jean-Pierre Benoit
Joel Richard
Elvire Fournier
Sonia Liu
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.)
Ethypharm SAS
Original Assignee
Mainelab SA
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 SA filed Critical Mainelab SA
Publication of DE60008894D1 publication Critical patent/DE60008894D1/de
Application granted granted Critical
Publication of DE60008894T2 publication Critical patent/DE60008894T2/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
    • B01J13/08—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
DE60008894T 1999-08-27 2000-08-25 Verfahren zum einkapseln von aktiven materialien durch koazervierung von polymern in nichtchlorierten organischem lösungsmittel Expired - Lifetime DE60008894T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9910854 1999-08-27
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 (2)

Publication Number Publication Date
DE60008894D1 true DE60008894D1 (de) 2004-04-15
DE60008894T2 DE60008894T2 (de) 2005-03-03

Family

ID=9549384

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60008894T Expired - Lifetime DE60008894T2 (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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1404516A2 (de) 2000-12-13 2004-04-07 Purdue Research Foundation Mikroverkapselung von arzneistoffen durch lösungsmittelaustausch
US6767637B2 (en) 2000-12-13 2004-07-27 Purdue Research Foundation Microencapsulation using ultrasonic atomizers
EP1343480B2 (de) † 2000-12-21 2016-02-17 Alrise Biosystems GmbH Verfahren umfassend einen induzierten phasenübergang zur herstellung von hydrophobe wirkstoffe enthaltenden mikropartikeln
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
US9480631B2 (en) 2008-11-10 2016-11-01 Colgate-Palmolive Company Shelf stable capsules

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
DK0674506T3 (da) * 1992-12-02 2001-01-08 Alkermes Inc Væksthormonholdige mikrosfærer med styret frigivelse
ES2172574T5 (es) * 1993-11-19 2012-11-29 Alkermes, Inc. Preparación de micropartículas biodegradables que contienen un agente biológicamente activo
US5650173A (en) * 1993-11-19 1997-07-22 Alkermes Controlled Therapeutics Inc. Ii Preparation of biodegradable microparticles containing a biologically active agent
ES2236700T3 (es) * 1993-11-19 2005-07-16 Janssen Pharmaceutica N.V. 1,2-benzazoles microencapsulados.
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
NO20020881L (no) 2002-04-25
ATE261338T1 (de) 2004-03-15
CA2382697A1 (fr) 2001-03-08
FR2797784B1 (fr) 2001-11-30
PT1216091E (pt) 2004-08-31
IL148316A0 (en) 2002-09-12
HU0203199D0 (de) 2002-10-28
CN1317064C (zh) 2007-05-23
CA2382697C (fr) 2009-05-05
ES2215718T3 (es) 2004-10-16
HU228747B1 (en) 2013-05-28
FR2797784A1 (fr) 2001-03-02
EP1216091B9 (de) 2005-01-19
WO2001015799A1 (fr) 2001-03-08
JP2003508195A (ja) 2003-03-04
MXPA02002250A (es) 2003-08-20
KR20020046284A (ko) 2002-06-20
ZA200201543B (en) 2002-11-27
AU776959B2 (en) 2004-09-30
NO322106B1 (no) 2006-08-14
IL148316A (en) 2006-10-31
EP1216091A1 (de) 2002-06-26
AU7016800A (en) 2001-03-26
DK1216091T3 (da) 2004-07-12
KR100661093B1 (ko) 2006-12-22
CN1371301A (zh) 2002-09-25
EP1216091B1 (de) 2004-03-10
HUP0203199A2 (en) 2003-03-28
NO20020881D0 (no) 2002-02-22
JP5217070B2 (ja) 2013-06-19
DE60008894T2 (de) 2005-03-03

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ETHYPHARM S.A., SAINT-CLOUD, FR