DK541785A - Magnetiske partikler til diagnostik - Google Patents

Magnetiske partikler til diagnostik Download PDF

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Publication number
DK541785A
DK541785A DK541785A DK541785A DK541785A DK 541785 A DK541785 A DK 541785A DK 541785 A DK541785 A DK 541785A DK 541785 A DK541785 A DK 541785A DK 541785 A DK541785 A DK 541785A
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Prior art keywords
diagnostics
magnetic particles
particles
magnetic
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DK541785A
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English (en)
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DK541785D0 (da
DK174946B1 (da
Inventor
H Gries
W Muetzel
C Zurth
H-J Weinmann
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Schering Ag
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27192543&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK541785(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE3443251A external-priority patent/DE3443251C2/de
Priority claimed from DE19843443252 external-priority patent/DE3443252A1/de
Priority claimed from DE19853508000 external-priority patent/DE3508000A1/de
Application filed by Schering Ag filed Critical Schering Ag
Publication of DK541785D0 publication Critical patent/DK541785D0/da
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • A61K49/06—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations
    • A61K49/18—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes
    • A61K49/1818—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles
    • A61K49/1887—Agglomerates, clusters, i.e. more than one (super)(para)magnetic microparticle or nanoparticle are aggregated or entrapped in the same maxtrix
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • A61K49/0002—General or multifunctional contrast agents, e.g. chelated agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • A61K49/04—X-ray contrast preparations
    • A61K49/0409—Physical forms of mixtures of two different X-ray contrast-enhancing agents, containing at least one X-ray contrast-enhancing agent which is not a halogenated organic compound
    • A61K49/0414—Particles, beads, capsules or spheres
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
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    • A61K49/18—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes
    • A61K49/1818—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles
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    • A61K49/1824—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles
    • A61K49/1827—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle
    • A61K49/1833—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle having a (super)(para)magnetic core coated or functionalised with a small organic molecule
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    • A61K49/1851—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle having a (super)(para)magnetic core coated or functionalised with an organic macromolecular compound, i.e. oligomeric, polymeric, dendrimeric organic molecule
    • A61K49/1857—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle having a (super)(para)magnetic core coated or functionalised with an organic macromolecular compound, i.e. oligomeric, polymeric, dendrimeric organic molecule the organic macromolecular compound being obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. PLGA
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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    • A61K49/1818—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles
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    • A61K49/1827—Nuclear magnetic resonance [NMR] contrast preparations; Magnetic resonance imaging [MRI] contrast preparations characterised by a special physical form, e.g. emulsions, microcapsules, liposomes particles, e.g. uncoated or non-functionalised microparticles or nanoparticles coated or functionalised microparticles or nanoparticles coated or functionalised nanoparticles having a (super)(para)magnetic core, being a solid MRI-active material, e.g. magnetite, or composed of a plurality of MRI-active, organic agents, e.g. Gd-chelates, or nuclei, e.g. Eu3+, encapsulated or entrapped in the core of the coated or functionalised nanoparticle
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    • G01N2446/20—Magnetic particle immunoreagent carriers the magnetic material being present in the particle core
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2446/00—Magnetic particle immunoreagent carriers
    • G01N2446/30—Magnetic particle immunoreagent carriers the magnetic material being dispersed in the polymer composition before their conversion into particulate form
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2446/00—Magnetic particle immunoreagent carriers
    • G01N2446/80—Magnetic particle immunoreagent carriers characterised by the agent used to coat the magnetic particles, e.g. lipids
    • G01N2446/86—Magnetic particle immunoreagent carriers characterised by the agent used to coat the magnetic particles, e.g. lipids the coating being pre-functionalised for attaching immunoreagents, e.g. aminodextran

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DK198505417A 1984-11-23 1985-11-22 Anvendelse af magnetiske partikler til diagnostik DK174946B1 (da)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE3443251A DE3443251C2 (de) 1984-11-23 1984-11-23 Eisenoxid-Komplexe für die NMR-Diagnostik, diese Verbindungen enthaltende diagnostische Mittel, ihre Verwendung und Verfahren zu deren Herstellung
DE19843443252 DE3443252A1 (de) 1984-11-23 1984-11-23 Dextran-magnetit-komplexe fuer die nmr-diagnostik
DE3443251 1984-11-23
DE3443252 1984-11-23
DE19853508000 DE3508000A1 (de) 1985-03-04 1985-03-04 Ferromagnetische partikel fuer die nmr-diagnostik
DE3508000 1985-03-04

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DK541785D0 DK541785D0 (da) 1985-11-22
DK541785A true DK541785A (da) 1986-05-24
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PT81498B (pt) 1987-12-30
EP0186616A1 (de) 1986-07-02
NO854679L (no) 1986-05-26
AU5022585A (en) 1986-05-29
EP0186616B2 (de) 1995-01-04
IE58324B1 (en) 1993-09-08
US20020136693A1 (en) 2002-09-26
US20020064502A1 (en) 2002-05-30
GR852815B (da) 1986-03-21
ES557099A0 (es) 1987-04-16
ES8703153A1 (es) 1987-02-16
DK541785D0 (da) 1985-11-22
JPS61171434A (ja) 1986-08-02
NO167077B (no) 1991-06-24
IE852935L (en) 1986-05-23
PT81498A (de) 1985-12-01
AU583070B2 (en) 1989-04-20
DK174946B1 (da) 2004-03-15
CA1252950A (en) 1989-04-18
EP0186616B1 (de) 1990-09-26
NZ214228A (en) 1990-04-26
ES8704352A1 (es) 1987-04-16
NO167077C (no) 1994-06-22
DE3579899D1 (de) 1990-10-31
JP2740782B2 (ja) 1998-04-15
ES549144A0 (es) 1987-02-16

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