ES2165913T3 - Metodo continuo de trituracion de sustancias farmaceuticas. - Google Patents

Metodo continuo de trituracion de sustancias farmaceuticas.

Info

Publication number
ES2165913T3
ES2165913T3 ES95919062T ES95919062T ES2165913T3 ES 2165913 T3 ES2165913 T3 ES 2165913T3 ES 95919062 T ES95919062 T ES 95919062T ES 95919062 T ES95919062 T ES 95919062T ES 2165913 T3 ES2165913 T3 ES 2165913T3
Authority
ES
Spain
Prior art keywords
agent
grinding media
milling chamber
particle size
less
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.)
Expired - Lifetime
Application number
ES95919062T
Other languages
English (en)
Inventor
David A Czekai
Larry P Seaman
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.)
Elan Pharma International Ltd
Original Assignee
Elan Pharma International 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 Elan Pharma International Ltd filed Critical Elan Pharma International Ltd
Application granted granted Critical
Publication of ES2165913T3 publication Critical patent/ES2165913T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/14Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/141Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers
    • A61K9/146Intimate drug-carrier mixtures characterised by the carrier, e.g. ordered mixtures, adsorbates, solid solutions, eutectica, co-dried, co-solubilised, co-kneaded, co-milled, co-ground products, co-precipitates, co-evaporates, co-extrudates, co-melts; Drug nanoparticles with adsorbed surface modifiers with organic macromolecular compounds
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/70Nanostructure
    • Y10S977/773Nanoparticle, i.e. structure having three dimensions of 100 nm or less
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/70Nanostructure
    • Y10S977/773Nanoparticle, i.e. structure having three dimensions of 100 nm or less
    • Y10S977/775Nanosized powder or flake, e.g. nanosized catalyst
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/84Manufacture, treatment, or detection of nanostructure
    • Y10S977/888Shaping or removal of materials, e.g. etching
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/84Manufacture, treatment, or detection of nanostructure
    • Y10S977/895Manufacture, treatment, or detection of nanostructure having step or means utilizing chemical property
    • Y10S977/896Chemical synthesis, e.g. chemical bonding or breaking
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/84Manufacture, treatment, or detection of nanostructure
    • Y10S977/90Manufacture, treatment, or detection of nanostructure having step or means utilizing mechanical or thermal property, e.g. pressure, heat
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/902Specified use of nanostructure
    • Y10S977/904Specified use of nanostructure for medical, immunological, body treatment, or diagnosis
    • Y10S977/915Therapeutic or pharmaceutical composition
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/902Specified use of nanostructure
    • Y10S977/904Specified use of nanostructure for medical, immunological, body treatment, or diagnosis
    • Y10S977/927Diagnostic contrast agent

Abstract

UN METODO CONTINUO PARA LA PREPARACION DE PARTICULAS DE TAMAÑO INFERIOR A LA MICRA DE UN AGENTE TERAPEUTICO O DIAGNOSTICO COMPRENDE LAS ETAPAS DE INTRODUCIR DE FORMA CONTINUA EL AGENTE Y MEDIO DE MOLTURACION RIGIDO EN UNA CAMARA DE MOLTURACION, PONER EN CONTACTO EL AGENTE CON EL MEDIO DE MOLTURACION MIENTRAS SE ENCUENTRA EN LA CAMARA PARA REDUCIR EL TAMAÑO DE PARTICULA DEL AGENTE, RETIRAR DE FORMA CONTINUA EL AGENTE Y EL MEDIO DE MOLTURACION DE LA CAMARA DE MOLTURACION, Y POSTERIORMENTE SEPARAR EL AGENTE DEL MEDIO DE MOLTURACION. EN UN ASPECTO PREFERIDO, EL MEDIO DE MOLTURACION ES UNA RESINA POLIMERICA QUE POSEE UN TAMAÑO DE PARTICULA MEDIO DE MENOS DE 300 {MI}M. EN OTRO ASPECTO PREFERIDO, EL AGENTE, EL MEDIO DE MOLTURACION Y UN MEDIO DE DISPERSION LIQUIDO SE INTRODUCEN DE FORMA CONTINUA EN LA CAMARA DE MOLTURACION. EN UN ASPECTO ADICIONAL, EL AGENTE Y EL MEDIO DE MOLTURACION SE HACEN RECIRCULAR A TRAVES DE LA CAMARA DE MOLTURACION. EL METODO PERMITE EL USO DE MEDIO DE MOLTURACION FINO, POREJEMPLO DE UN TAMAÑO DE PARTICULA DE MENOS DE APROXIMADAMENTE 300 {MI}M, EN UN PROCESO DE MOLTURACION CONTINUO QUE PROPORCIONA PARTICULAS EXTREMADAMENTE FINAS DEL AGENTE, POR EJEMPLO PARTICULAS DE MENOS DE 100 NM DE TAMAÑO, EVITANDO AL MISMO TIEMPO PROBLEMAS, POR EJEMPLO LA OBTURACION DEL TAMIZ SEPARADOR, ASOCIADOS CON LOS PROCESOS CONOCIDOS ANTERIORMENTE QUE REQUIEREN LA SEPARACION DEL AGENTE DEL MEDIO DE MOLTURACION EN LA CAMARA DE MOLTURACION.
ES95919062T 1994-05-25 1995-05-08 Metodo continuo de trituracion de sustancias farmaceuticas. Expired - Lifetime ES2165913T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/249,787 US5718388A (en) 1994-05-25 1994-05-25 Continuous method of grinding pharmaceutical substances

Publications (1)

Publication Number Publication Date
ES2165913T3 true ES2165913T3 (es) 2002-04-01

Family

ID=22944996

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95919062T Expired - Lifetime ES2165913T3 (es) 1994-05-25 1995-05-08 Metodo continuo de trituracion de sustancias farmaceuticas.

Country Status (14)

Country Link
US (1) US5718388A (es)
EP (1) EP0804161B1 (es)
JP (1) JP3607294B2 (es)
AT (1) ATE208191T1 (es)
AU (1) AU2476195A (es)
CA (1) CA2190134C (es)
DE (1) DE69523781T2 (es)
DK (1) DK0804161T3 (es)
ES (1) ES2165913T3 (es)
IL (1) IL113851A (es)
MY (1) MY113569A (es)
PT (1) PT804161E (es)
TW (1) TW460297B (es)
WO (1) WO1995031973A1 (es)

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