SI9400079B - Postopek in naprava za pridobivanje in frakcioniranje majhnih delcev iz raztopin nasičenih s plinom - Google Patents

Postopek in naprava za pridobivanje in frakcioniranje majhnih delcev iz raztopin nasičenih s plinom Download PDF

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Publication number
SI9400079B
SI9400079B SI9400079A SI9400079A SI9400079B SI 9400079 B SI9400079 B SI 9400079B SI 9400079 A SI9400079 A SI 9400079A SI 9400079 A SI9400079 A SI 9400079A SI 9400079 B SI9400079 B SI 9400079B
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SI
Slovenia
Prior art keywords
substance
mixture
compressible fluid
substances
small particles
Prior art date
Application number
SI9400079A
Other languages
English (en)
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SI9400079A (en
Inventor
Eckhard Weidner
�eljko Knez
Zoran Novak
Original Assignee
Dr. Weidner Eckhard, Dipl. Ing.
Dr. Knez �eljko, dipl.ing.
Novak Zoran, Dipl.Ing.
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 Dr. Weidner Eckhard, Dipl. Ing., Dr. Knez �eljko, dipl.ing., Novak Zoran, Dipl.Ing. filed Critical Dr. Weidner Eckhard, Dipl. Ing.
Priority to SI9400079A priority Critical patent/SI9400079B/sl
Priority to ES95909720T priority patent/ES2109095T3/es
Priority to DK95909720.5T priority patent/DK0744992T3/da
Priority to AT95909720T priority patent/ATE159184T1/de
Priority to PCT/EP1995/000538 priority patent/WO1995021688A1/de
Priority to CA002182786A priority patent/CA2182786C/en
Priority to DE59500808T priority patent/DE59500808D1/de
Priority to JP52097795A priority patent/JP3510262B2/ja
Priority to EP95909720A priority patent/EP0744992B1/de
Publication of SI9400079A publication Critical patent/SI9400079A/sl
Priority to US08/965,805 priority patent/US6056791A/en
Priority to GR970403144T priority patent/GR3025495T3/el
Publication of SI9400079B publication Critical patent/SI9400079B/sl

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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
    • 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
    • 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
    • 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

Claims (4)

  1. SI-9400079 POSTOPEK ZA PRIPRAVO MAJHNIH DELCEV OZIROMA PRAŠKOV PATENTNI ZAHTEVKI 1. Postopek za pripravo majhnih delcev oziroma praškov, zlasti majhnih delcev trdnih snovi, značilen po naslednjih stopnjah: - priprave avtoklava, ki vsebuje snov oziroma zmes snovi, ki jo je treba obdelati, - raztapljanja stisljivega fluida predložene snovi oziroma zmesi snovi pod tlakom do tvorbe raztopine, - ekspandiranja dobljene raztopine z ekspandirno pripravo, tako, da je za ekspandirno pripravo temperatura pod strdiščem snovi oziroma zmesi snovi in da pride do tvorbe majhnih delcev, in - odločenja tvorjenih majhnih delcev iz toka dekomprimiranega, stisljivega fluida.
  2. 2. Postopek po zahtevku 1, značilen po tem, da je stisljivi fluid izbran iz skupine ogljikovodikov z 1 do 6 C-atomi, zlasti metana, etana, propana, butana, pentana, n-heksana, i-heksana, ogljikovega dioksida, freonov, dušika, žlahtnih plinov, plinastih oksidov, na primer N2O, SO2, amoniaka, alkoholov z 1 do 4 C-atomi, zlasti metanola, etanola, izopropanola, n-propanola, butanola, halogeniranih ogljikovodikov ali zmesi zgoraj navedenih snovi.
  3. 3. Postopek po zahtevku 1, značilen po tem, da je tlak med raztapljanjem v območju 5 do 500 bar, zlasti v območju 10 do 200 bar.
  4. 4. Postopek po zahtevku 1, značilen po tem, da po raztapljanju stisljivega fluida dobljeno raztopino vzdržujemo pri temperaturi, ki leži v območju do 50 K, prednostno do 20 K in posebno prednostno do 10 K nad ali pod tališčem snovi oziroma zmesi snovi, ki jo je treba obdelati, pri atmosferskem tlaku.
SI9400079A 1994-02-15 1994-02-15 Postopek in naprava za pridobivanje in frakcioniranje majhnih delcev iz raztopin nasičenih s plinom SI9400079B (sl)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SI9400079A SI9400079B (sl) 1994-02-15 1994-02-15 Postopek in naprava za pridobivanje in frakcioniranje majhnih delcev iz raztopin nasičenih s plinom
CA002182786A CA2182786C (en) 1994-02-15 1995-02-14 Process for the production of particles or powders
DK95909720.5T DK0744992T3 (da) 1994-02-15 1995-02-14 Fremgangsmåde til fremstilling af partikler eller pulvere
AT95909720T ATE159184T1 (de) 1994-02-15 1995-02-14 Verfahren zur herstellung von partikeln bzw. pulvern
PCT/EP1995/000538 WO1995021688A1 (de) 1994-02-15 1995-02-14 Verfahren zur herstellung von partikeln bzw. pulvern
ES95909720T ES2109095T3 (es) 1994-02-15 1995-02-14 Procedimiento para la preparacion de particulas o de polvos.
DE59500808T DE59500808D1 (de) 1994-02-15 1995-02-14 Verfahren zur herstellung von partikeln bzw. pulvern
JP52097795A JP3510262B2 (ja) 1994-02-15 1995-02-14 粒子又は粉末の製造方法
EP95909720A EP0744992B1 (de) 1994-02-15 1995-02-14 Verfahren zur herstellung von partikeln bzw. pulvern
US08/965,805 US6056791A (en) 1994-02-15 1997-11-07 Process for the production of particles or powders
GR970403144T GR3025495T3 (en) 1994-02-15 1997-11-26 Process for preparing particles or powders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SI9400079A SI9400079B (sl) 1994-02-15 1994-02-15 Postopek in naprava za pridobivanje in frakcioniranje majhnih delcev iz raztopin nasičenih s plinom

Publications (2)

Publication Number Publication Date
SI9400079A SI9400079A (en) 1995-10-31
SI9400079B true SI9400079B (sl) 2003-02-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SI9400079A SI9400079B (sl) 1994-02-15 1994-02-15 Postopek in naprava za pridobivanje in frakcioniranje majhnih delcev iz raztopin nasičenih s plinom

Country Status (11)

Country Link
US (1) US6056791A (sl)
EP (1) EP0744992B1 (sl)
JP (1) JP3510262B2 (sl)
AT (1) ATE159184T1 (sl)
CA (1) CA2182786C (sl)
DE (1) DE59500808D1 (sl)
DK (1) DK0744992T3 (sl)
ES (1) ES2109095T3 (sl)
GR (1) GR3025495T3 (sl)
SI (1) SI9400079B (sl)
WO (1) WO1995021688A1 (sl)

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Also Published As

Publication number Publication date
US6056791A (en) 2000-05-02
ATE159184T1 (de) 1997-11-15
WO1995021688A1 (de) 1995-08-17
DK0744992T3 (da) 1998-06-02
DE59500808D1 (de) 1997-11-20
CA2182786C (en) 2003-12-30
CA2182786A1 (en) 1995-08-17
JP3510262B2 (ja) 2004-03-22
ES2109095T3 (es) 1998-01-01
GR3025495T3 (en) 1998-02-27
SI9400079A (en) 1995-10-31
EP0744992B1 (de) 1997-10-15
EP0744992A1 (de) 1996-12-04
JPH09508851A (ja) 1997-09-09

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