GB9703673D0 - Method and apparatus for the formation of particles - Google Patents

Method and apparatus for the formation of particles

Info

Publication number
GB9703673D0
GB9703673D0 GBGB9703673.5A GB9703673A GB9703673D0 GB 9703673 D0 GB9703673 D0 GB 9703673D0 GB 9703673 A GB9703673 A GB 9703673A GB 9703673 D0 GB9703673 D0 GB 9703673D0
Authority
GB
United Kingdom
Prior art keywords
suspension
solution
supercritical fluid
scf
substance
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.)
Pending
Application number
GBGB9703673.5A
Other languages
English (en)
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.)
Nektar Therapeutics UK Ltd
Original Assignee
Bradford Particle Design 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 Bradford Particle Design Ltd filed Critical Bradford Particle Design Ltd
Priority to GBGB9703673.5A priority Critical patent/GB9703673D0/en
Publication of GB9703673D0 publication Critical patent/GB9703673D0/en
Priority to ZA981432A priority patent/ZA981432B/xx
Priority to AT98907005T priority patent/ATE266463T1/de
Priority to US09/380,025 priority patent/US6440337B1/en
Priority to EP98907005A priority patent/EP0961651B1/en
Priority to CA002278347A priority patent/CA2278347C/en
Priority to PCT/GB1998/000538 priority patent/WO1998036825A1/en
Priority to DE69823806T priority patent/DE69823806T2/de
Priority to JP53639898A priority patent/JP2001513012A/ja
Priority to GB9803634A priority patent/GB2322326B/en
Priority to AU62998/98A priority patent/AU6299898A/en
Priority to US10/225,943 priority patent/US20030047824A1/en
Pending legal-status Critical Current

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)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Organic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Glanulating (AREA)
  • Medicinal Preparation (AREA)
  • Nozzles (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
GBGB9703673.5A 1997-02-21 1997-02-21 Method and apparatus for the formation of particles Pending GB9703673D0 (en)

Priority Applications (12)

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
AU62998/98A AU6299898A (en) 1997-02-21 1998-02-20 Method & apparatus for the formation of particles
EP98907005A EP0961651B1 (en) 1997-02-21 1998-02-20 Method & apparatus for the formation of particles
AT98907005T ATE266463T1 (de) 1997-02-21 1998-02-20 Verfahren und vorrichtung zur herstellung von teilchen
US09/380,025 US6440337B1 (en) 1997-02-21 1998-02-20 Method and apparatus for the formation of particles
ZA981432A ZA981432B (en) 1997-02-21 1998-02-20 Method and apparatus for the formation of particles
CA002278347A CA2278347C (en) 1997-02-21 1998-02-20 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
DE69823806T DE69823806T2 (de) 1997-02-21 1998-02-20 Verfahren und vorrichtung zur herstellung von teilchen
JP53639898A JP2001513012A (ja) 1997-02-21 1998-02-20 粒子の形成のための方法及び装置
GB9803634A GB2322326B (en) 1997-02-21 1998-02-20 Method & apparatus for the formation of particles
US10/225,943 US20030047824A1 (en) 1997-02-21 2002-08-22 Method and apparatus for the formation of particles

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB9703673D0 true GB9703673D0 (en) 1997-04-09

Family

ID=10808111

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9703673.5A Pending GB9703673D0 (en) 1997-02-21 1997-02-21 Method and apparatus for the formation of particles
GB9803634A Expired - Lifetime GB2322326B (en) 1997-02-21 1998-02-20 Method & apparatus for the formation of particles

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9803634A Expired - Lifetime GB2322326B (en) 1997-02-21 1998-02-20 Method & apparatus for the formation of particles

Country Status (10)

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

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US6440337B1 (en) 2002-08-27
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CA2278347A1 (en) 1998-08-27
GB9803634D0 (en) 1998-04-15
CA2278347C (en) 2006-01-03
DE69823806T2 (de) 2005-04-28
EP0961651A1 (en) 1999-12-08
US20030047824A1 (en) 2003-03-13
GB2322326B (en) 2001-12-12
DE69823806D1 (de) 2004-06-17
ATE266463T1 (de) 2004-05-15
ZA981432B (en) 1998-08-27
AU6299898A (en) 1998-09-09
JP2001513012A (ja) 2001-08-28

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