ATE266463T1 - Verfahren und vorrichtung zur herstellung von teilchen - Google Patents

Verfahren und vorrichtung zur herstellung von teilchen

Info

Publication number
ATE266463T1
ATE266463T1 AT98907005T AT98907005T ATE266463T1 AT E266463 T1 ATE266463 T1 AT E266463T1 AT 98907005 T AT98907005 T AT 98907005T AT 98907005 T AT98907005 T AT 98907005T AT E266463 T1 ATE266463 T1 AT E266463T1
Authority
AT
Austria
Prior art keywords
suspension
solution
supercritical fluid
scf
substance
Prior art date
Application number
AT98907005T
Other languages
English (en)
Inventor
Mazen Hanna
Peter York
Original Assignee
Nektar Therapeutics Uk Ltd
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 Nektar Therapeutics Uk Ltd filed Critical Nektar Therapeutics Uk Ltd
Application granted granted Critical
Publication of ATE266463T1 publication Critical patent/ATE266463T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0403—Solvent extraction of solutions which are liquid with a supercritical fluid
    • B01D11/0407—Solvent extraction of solutions which are liquid with a supercritical fluid the supercritical fluid acting as solvent for the solute
    • 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
    • A61K9/1688—Processes resulting in pure drug agglomerate optionally containing up to 5% of excipient
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0403—Solvent extraction of solutions which are liquid with a supercritical fluid
    • B01D11/0411—Solvent extraction of solutions which are liquid with a supercritical fluid the supercritical fluid acting as solvent for the solvent and as anti-solvent for the solute, e.g. formation of particles from solutions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0488—Flow sheets
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Organic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Glanulating (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
  • Nozzles (AREA)
AT98907005T 1997-02-21 1998-02-20 Verfahren und vorrichtung zur herstellung von teilchen ATE266463T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9703673.5A GB9703673D0 (en) 1997-02-21 1997-02-21 Method and apparatus for the formation of particles
PCT/GB1998/000538 WO1998036825A1 (en) 1997-02-21 1998-02-20 Method & apparatus for the formation of particles

Publications (1)

Publication Number Publication Date
ATE266463T1 true ATE266463T1 (de) 2004-05-15

Family

ID=10808111

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98907005T ATE266463T1 (de) 1997-02-21 1998-02-20 Verfahren und vorrichtung zur herstellung von teilchen

Country Status (10)

Country Link
US (2) US6440337B1 (de)
EP (1) EP0961651B1 (de)
JP (1) JP2001513012A (de)
AT (1) ATE266463T1 (de)
AU (1) AU6299898A (de)
CA (1) CA2278347C (de)
DE (1) DE69823806T2 (de)
GB (2) GB9703673D0 (de)
WO (1) WO1998036825A1 (de)
ZA (1) ZA981432B (de)

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CA2278347A1 (en) 1998-08-27
DE69823806T2 (de) 2005-04-28
JP2001513012A (ja) 2001-08-28
US20030047824A1 (en) 2003-03-13
DE69823806D1 (de) 2004-06-17
US6440337B1 (en) 2002-08-27
EP0961651A1 (de) 1999-12-08
CA2278347C (en) 2006-01-03
WO1998036825A1 (en) 1998-08-27
GB9803634D0 (en) 1998-04-15
ZA981432B (en) 1998-08-27
GB2322326B (en) 2001-12-12
AU6299898A (en) 1998-09-09
EP0961651B1 (de) 2004-05-12
GB9703673D0 (en) 1997-04-09
GB2322326A (en) 1998-08-26

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