WO1998015348A1 - Microencapsulation process using supercritical fluids - Google Patents
Microencapsulation process using supercritical fluids Download PDFInfo
- Publication number
- WO1998015348A1 WO1998015348A1 PCT/US1997/017509 US9717509W WO9815348A1 WO 1998015348 A1 WO1998015348 A1 WO 1998015348A1 US 9717509 W US9717509 W US 9717509W WO 9815348 A1 WO9815348 A1 WO 9815348A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polymer
- core material
- temperature
- supercritical
- vaccine
- Prior art date
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
-
- 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
- A61K9/14—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)
-
- 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
- Y10T428/2987—Addition polymer from unsaturated monomers only
-
- 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
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Pharmacology & Pharmacy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002267350A CA2267350A1 (en) | 1996-10-08 | 1997-10-01 | Microencapsulation process using supercritical fluids |
BR9711590A BR9711590A (en) | 1996-10-08 | 1997-10-01 | Processes for microencapsulating a core material for microencapsulating temperature-able core materials and for microencapsulating the infectious bursal disease virus vaccine |
JP10517581A JP2000511110A (en) | 1996-10-08 | 1997-10-01 | Microencapsulation method using supercritical fluid |
NZ334815A NZ334815A (en) | 1996-10-08 | 1997-10-01 | Microencapsulation process using supercritical fluids within an encapsulating polymer capable of swelling and that allows the supercritical fluid to penetrate and liquefy said polymer under a temperature and pressure sufficient to maintain the fluid in a super critical state followed by a release in |
AU46027/97A AU713965B2 (en) | 1996-10-08 | 1997-10-01 | Microencapsulation process using supercritical fluids |
EP97944560A EP0948396A1 (en) | 1996-10-08 | 1997-10-01 | Microencapsulation process using supercritical fluids |
NO991571A NO991571L (en) | 1996-10-08 | 1999-03-30 | Process for microencapsulating a core material using supercritical fluids |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/727,154 US5766637A (en) | 1996-10-08 | 1996-10-08 | Microencapsulation process using supercritical fluids |
US08/727,154 | 1996-10-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998015348A1 true WO1998015348A1 (en) | 1998-04-16 |
Family
ID=24921541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1997/017509 WO1998015348A1 (en) | 1996-10-08 | 1997-10-01 | Microencapsulation process using supercritical fluids |
Country Status (14)
Country | Link |
---|---|
US (1) | US5766637A (en) |
EP (1) | EP0948396A1 (en) |
JP (1) | JP2000511110A (en) |
CN (1) | CN1232411A (en) |
AR (1) | AR008867A1 (en) |
AU (1) | AU713965B2 (en) |
BR (1) | BR9711590A (en) |
CA (1) | CA2267350A1 (en) |
CO (1) | CO4900026A1 (en) |
IN (1) | IN183694B (en) |
NO (1) | NO991571L (en) |
NZ (1) | NZ334815A (en) |
PE (1) | PE1499A1 (en) |
WO (1) | WO1998015348A1 (en) |
Cited By (15)
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EP1028820A1 (en) | 1997-10-15 | 2000-08-23 | University Of South Florida | Supercritical fluid aided coating of particulate material |
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JP2003506479A (en) * | 1999-08-11 | 2003-02-18 | メーヌラブ | Fine particles for pulmonary administration |
WO2003078508A1 (en) * | 2002-03-13 | 2003-09-25 | University Of Nottingham | Polymer composite with internally distributed deposition matter |
GB2392619B (en) * | 2001-05-30 | 2004-10-20 | Csir | Method of encapsulating an active substance |
EP1499296A1 (en) * | 2002-04-15 | 2005-01-26 | Eiffel Technologies Limited | Formulation of fine particles using liquefied or dense gases |
US6967028B2 (en) | 2000-07-31 | 2005-11-22 | Mainelab | Prolonged release microspheres for injectable administration |
WO2006030112A1 (en) * | 2004-09-09 | 2006-03-23 | Pierre Fabre Medicament | Method for coating powders |
US7390411B2 (en) | 2001-10-12 | 2008-06-24 | Pierre Fabre Medicament | Method for preparing a compound of interaction of active substances with a porous support using supercritical fluid |
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EP2289561A1 (en) | 2003-04-25 | 2011-03-02 | Pierre Fabre Médicament | Method for preparing molecular complexes |
WO2015052510A1 (en) | 2013-10-08 | 2015-04-16 | Critical Pharmaceuticals Limited | Processes for preparing a solid polymer matrix containing a core material by pressure cycling of supercritical fluid |
US9226900B2 (en) | 2008-07-11 | 2016-01-05 | Critical Pharmaceuticals Limited | Process for preparing microparticles |
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EP0706821A1 (en) * | 1994-10-06 | 1996-04-17 | Centre De Microencapsulation | Method of coating particles |
DE19545257A1 (en) | 1995-11-24 | 1997-06-19 | Schering Ag | Process for the production of morphologically uniform microcapsules and microcapsules produced by this process |
FR2753639B1 (en) * | 1996-09-25 | 1998-12-11 | PROCESS FOR THE PREPARATION OF MICROCAPSULES OF ACTIVE MATERIALS COATED WITH A POLYMER AND NOVEL MICROCAPSULES OBTAINED IN PARTICULAR BY THE PROCESS | |
US6299937B1 (en) * | 1996-10-28 | 2001-10-09 | Douglas S. Richart | Methods and means for modifying the surfaces of polymeric solids |
US6060084A (en) * | 1997-08-28 | 2000-05-09 | Cannon Chemical Company | Method for preparing a core material containment system and the core material containment system prepared thereby |
WO1999021662A1 (en) * | 1997-10-25 | 1999-05-06 | Richart Douglas S | Modifying the surfaces of polymeric solids |
US6184270B1 (en) | 1998-09-21 | 2001-02-06 | Eric J. Beckman | Production of power formulations |
FR2787730B1 (en) * | 1998-12-29 | 2001-02-09 | Oreal | POLY (ALKYLENE ADIPATE) NANOCAPSULES, PROCESS FOR THEIR PREPARATION AND COSMETIC OR DERMATOLOGICAL COMPOSITIONS CONTAINING THEM |
US6365385B1 (en) | 1999-03-22 | 2002-04-02 | Duke University | Methods of culturing and encapsulating pancreatic islet cells |
US6303355B1 (en) | 1999-03-22 | 2001-10-16 | Duke University | Method of culturing, cryopreserving and encapsulating pancreatic islet cells |
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US6368620B2 (en) * | 1999-06-11 | 2002-04-09 | Abbott Laboratories | Formulations comprising lipid-regulating agents |
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-
1996
- 1996-10-08 US US08/727,154 patent/US5766637A/en not_active Expired - Lifetime
-
1997
- 1997-09-10 IN IN2015MA1997 patent/IN183694B/en unknown
- 1997-10-01 WO PCT/US1997/017509 patent/WO1998015348A1/en not_active Application Discontinuation
- 1997-10-01 AR ARP970104520A patent/AR008867A1/en unknown
- 1997-10-01 AU AU46027/97A patent/AU713965B2/en not_active Ceased
- 1997-10-01 CA CA002267350A patent/CA2267350A1/en not_active Abandoned
- 1997-10-01 NZ NZ334815A patent/NZ334815A/en unknown
- 1997-10-01 JP JP10517581A patent/JP2000511110A/en active Pending
- 1997-10-01 CN CN97198628.2A patent/CN1232411A/en active Pending
- 1997-10-01 BR BR9711590A patent/BR9711590A/en not_active Application Discontinuation
- 1997-10-01 EP EP97944560A patent/EP0948396A1/en not_active Withdrawn
- 1997-10-02 CO CO97057603A patent/CO4900026A1/en unknown
- 1997-10-07 PE PE1997000889A patent/PE1499A1/en not_active Application Discontinuation
-
1999
- 1999-03-30 NO NO991571A patent/NO991571L/en not_active Application Discontinuation
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EP0981373B2 (en) † | 1997-05-10 | 2010-09-08 | The University of Nottingham | Biofunctional polymers prepared in supercritical fluid |
EP1028820A1 (en) | 1997-10-15 | 2000-08-23 | University Of South Florida | Supercritical fluid aided coating of particulate material |
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US20120189679A1 (en) * | 2004-09-09 | 2012-07-26 | Marilyn Calderone | Method for coating powders |
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WO2015052510A1 (en) | 2013-10-08 | 2015-04-16 | Critical Pharmaceuticals Limited | Processes for preparing a solid polymer matrix containing a core material by pressure cycling of supercritical fluid |
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WO2022023833A1 (en) * | 2020-07-31 | 2022-02-03 | Ricoh Company, Ltd. | Composition, manufacture, and method for producing composition |
Also Published As
Publication number | Publication date |
---|---|
EP0948396A1 (en) | 1999-10-13 |
CA2267350A1 (en) | 1998-04-16 |
IN183694B (en) | 2000-03-18 |
AU713965B2 (en) | 1999-12-16 |
NZ334815A (en) | 2001-01-26 |
PE1499A1 (en) | 1999-02-11 |
AU4602797A (en) | 1998-05-05 |
BR9711590A (en) | 1999-08-24 |
NO991571D0 (en) | 1999-03-30 |
NO991571L (en) | 1999-06-07 |
AR008867A1 (en) | 2000-02-23 |
CN1232411A (en) | 1999-10-20 |
US5766637A (en) | 1998-06-16 |
JP2000511110A (en) | 2000-08-29 |
CO4900026A1 (en) | 2000-03-27 |
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