DK0591331T3 - Fremgangsmåde til fremstilling af nanopartikler - Google Patents

Fremgangsmåde til fremstilling af nanopartikler

Info

Publication number
DK0591331T3
DK0591331T3 DK92913337.9T DK92913337T DK0591331T3 DK 0591331 T3 DK0591331 T3 DK 0591331T3 DK 92913337 T DK92913337 T DK 92913337T DK 0591331 T3 DK0591331 T3 DK 0591331T3
Authority
DK
Denmark
Prior art keywords
nanoparticles
preparation
microfluidisation
solubilising
polylactic
Prior art date
Application number
DK92913337.9T
Other languages
Danish (da)
English (en)
Inventor
Michel Veillard
Gilles Spenlehauer
Homme Christian Prud
Didier Bazile
Jean-Paul Michalon
Original Assignee
Rhone Poulenc Rorer 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 Rhone Poulenc Rorer Sa filed Critical Rhone Poulenc Rorer Sa
Application granted granted Critical
Publication of DK0591331T3 publication Critical patent/DK0591331T3/da

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
    • A61K9/5146—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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/66—Polyesters containing oxygen in the form of ether groups
    • C08G63/664—Polyesters containing oxygen in the form of ether groups derived from hydroxy carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/329—Polymers modified by chemical after-treatment with organic compounds
    • C08G65/331—Polymers modified by chemical after-treatment with organic compounds containing oxygen
    • C08G65/332—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof
    • 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
    • C08J3/14—Powdering or granulating by precipitation from solutions
    • 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
    • C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
    • 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
    • C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
    • C08J2371/02—Polyalkylene oxides

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Optics & Photonics (AREA)
  • Nanotechnology (AREA)
  • Biomedical Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Preparation (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Electroluminescent Light Sources (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Glass Compositions (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
DK92913337.9T 1991-06-28 1992-06-25 Fremgangsmåde til fremstilling af nanopartikler DK0591331T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9108042A FR2678178A1 (fr) 1991-06-28 1991-06-28 Procede de preparation de nanoparticules.

Publications (1)

Publication Number Publication Date
DK0591331T3 true DK0591331T3 (da) 1996-04-01

Family

ID=9414445

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92913337.9T DK0591331T3 (da) 1991-06-28 1992-06-25 Fremgangsmåde til fremstilling af nanopartikler

Country Status (14)

Country Link
EP (2) EP0520889A1 (de)
JP (1) JP3228742B2 (de)
AT (1) ATE135385T1 (de)
CA (1) CA2102185C (de)
DE (1) DE69209074T2 (de)
DK (1) DK0591331T3 (de)
ES (1) ES2084363T3 (de)
FI (1) FI106723B (de)
FR (1) FR2678178A1 (de)
GR (1) GR3019308T3 (de)
IE (1) IE72509B1 (de)
MX (1) MX9203354A (de)
NO (1) NO308313B1 (de)
WO (1) WO1993000388A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5565215A (en) * 1993-07-23 1996-10-15 Massachusettes Institute Of Technology Biodegradable injectable particles for imaging
US5543158A (en) * 1993-07-23 1996-08-06 Massachusetts Institute Of Technology Biodegradable injectable nanoparticles
FR2721510B1 (fr) * 1994-06-22 1996-07-26 Rhone Poulenc Rorer Sa Nanoparticules filtrables dans des conditions stériles.
US6007845A (en) * 1994-07-22 1999-12-28 Massachusetts Institute Of Technology Nanoparticles and microparticles of non-linear hydrophilic-hydrophobic multiblock copolymers
US5611344A (en) * 1996-03-05 1997-03-18 Acusphere, Inc. Microencapsulated fluorinated gases for use as imaging agents
JPH11322948A (ja) * 1998-05-08 1999-11-26 Nof Corp 高分子微粒子およびその製造方法
DE19839212C2 (de) 1998-08-28 2002-05-23 Celanese Ventures Gmbh Verfahren zur Herstellung von sphärischen Nanopartikeln, die ganz oder teilweise aus mindestens einem wasserunlöslichen linearen Polysaccharid bestehen
CA2309575A1 (en) 2000-05-26 2001-11-26 James E. Guillet Internally cross-linked macromolecules
US8012457B2 (en) 2004-06-04 2011-09-06 Acusphere, Inc. Ultrasound contrast agent dosage formulation
JP5398112B2 (ja) * 2005-10-27 2014-01-29 東レ株式会社 生分解性粒子およびその製造方法
FR2936722B1 (fr) * 2008-10-07 2013-11-22 Nanolege Inc Materiaux nanocomposites et procede de fabrication par nanoprecipitation.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8416234D0 (en) * 1984-06-26 1984-08-01 Ici Plc Biodegradable amphipathic copolymers
FR2608988B1 (fr) * 1986-12-31 1991-01-11 Centre Nat Rech Scient Procede de preparation de systemes colloidaux dispersibles d'une substance, sous forme de nanoparticules

Also Published As

Publication number Publication date
NO934359D0 (no) 1993-12-01
ATE135385T1 (de) 1996-03-15
DE69209074T2 (de) 1996-09-05
IE72509B1 (en) 1997-04-23
WO1993000388A1 (fr) 1993-01-07
CA2102185C (fr) 2003-07-22
FI935869A (fi) 1993-12-27
FR2678178B1 (de) 1995-01-13
NO934359L (no) 1993-12-01
DE69209074D1 (de) 1996-04-18
EP0520889A1 (de) 1992-12-30
ES2084363T3 (es) 1996-05-01
FR2678178A1 (fr) 1992-12-31
JP3228742B2 (ja) 2001-11-12
NO308313B1 (no) 2000-08-28
EP0591331A1 (de) 1994-04-13
FI935869A0 (fi) 1993-12-27
JPH06508867A (ja) 1994-10-06
IE922109A1 (en) 1992-12-30
GR3019308T3 (en) 1996-06-30
EP0591331B1 (de) 1996-03-13
FI106723B (fi) 2001-03-30
CA2102185A1 (fr) 1992-12-29
MX9203354A (es) 1992-12-01

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