NO1994016I1 - Partikler av ferromagnetisk materiale med størrelse på 0,002-50 ¿m - Google Patents

Partikler av ferromagnetisk materiale med størrelse på 0,002-50 ¿m

Info

Publication number
NO1994016I1
NO1994016I1 NO1994016C NO1994016C NO1994016I1 NO 1994016 I1 NO1994016 I1 NO 1994016I1 NO 1994016 C NO1994016 C NO 1994016C NO 1994016 C NO1994016 C NO 1994016C NO 1994016 I1 NO1994016 I1 NO 1994016I1
Authority
NO
Norway
Prior art keywords
pct
contrast agents
date oct
nmr
sec
Prior art date
Application number
NO1994016C
Other languages
English (en)
Original Assignee
Nycomed Imaging As
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10558866&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO1994016(I1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nycomed Imaging As filed Critical Nycomed Imaging As
Publication of NO1994016I1 publication Critical patent/NO1994016I1/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/5601—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution involving use of a contrast agent for contrast manipulation, e.g. a paramagnetic, super-paramagnetic, ferromagnetic or hyperpolarised contrast agent
    • 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
    • A61K49/1806—Suspensions, emulsions, colloids, dispersions
    • 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
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S436/00—Chemistry: analytical and immunological testing
    • Y10S436/806—Electrical property or magnetic property
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/24—Nuclear magnetic resonance, electron spin resonance or other spin effects or mass spectrometry

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dispersion Chemistry (AREA)
  • Signal Processing (AREA)
  • Nanotechnology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Steroid Compounds (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Lubricants (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Soft Magnetic Materials (AREA)
NO1994016C 1984-03-29 1994-09-05 Partikler av ferromagnetisk materiale med størrelse på 0,002-50 ¿m NO1994016I1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848408127A GB8408127D0 (en) 1984-03-29 1984-03-29 Contrast agents

Publications (1)

Publication Number Publication Date
NO1994016I1 true NO1994016I1 (no) 1994-09-05

Family

ID=10558866

Family Applications (2)

Application Number Title Priority Date Filing Date
NO854765A NO173429C (no) 1984-03-29 1985-11-28 Anvendelse av ferromagnetiske partikler i kontrastmidler for NMR-avbildning
NO1994016C NO1994016I1 (no) 1984-03-29 1994-09-05 Partikler av ferromagnetisk materiale med størrelse på 0,002-50 ¿m

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NO854765A NO173429C (no) 1984-03-29 1985-11-28 Anvendelse av ferromagnetiske partikler i kontrastmidler for NMR-avbildning

Country Status (13)

Country Link
US (1) US4863715A (no)
EP (1) EP0177545B2 (no)
JP (1) JPH066538B2 (no)
AT (1) ATE61001T1 (no)
AU (1) AU568740B2 (no)
DE (1) DE3581871D1 (no)
DK (1) DK171526B1 (no)
FI (1) FI85442C (no)
GB (1) GB8408127D0 (no)
HK (1) HK18094A (no)
NL (1) NL960016I2 (no)
NO (2) NO173429C (no)
WO (1) WO1985004330A1 (no)

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US5720939A (en) * 1985-08-15 1998-02-24 Nycomed Imaging As Method of contrast enhanced magnetic resonance imaging using magnetically responsive-particles
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US5186922A (en) * 1985-03-15 1993-02-16 See/Shell Biotechnology, Inc. Use of biodegradable microspheres labeled with imaging energy constrast materials
US4795698A (en) * 1985-10-04 1989-01-03 Immunicon Corporation Magnetic-polymer particles
DE3700911C2 (de) * 1986-01-17 2001-05-17 West Pharm Serv Drug Res Ltd System zur Zuführung eines Arzneimittels oder eines Diagnostikums
US5342607A (en) * 1986-07-03 1994-08-30 Advanced Magnetics, Inc. Receptor mediated endocytosis type magnetic resonance imaging contrast agents
US4770183A (en) * 1986-07-03 1988-09-13 Advanced Magnetics Incorporated Biologically degradable superparamagnetic particles for use as nuclear magnetic resonance imaging agents
US5352432A (en) * 1986-07-03 1994-10-04 Advanced Magnetics, Inc. Hepatocyte specific composition and their use as diagnostic imaging agents
US5248492A (en) * 1986-07-03 1993-09-28 Advanced Magnetics, Inc. Low molecular weight carbohydrates as additives to stabilize metal oxide compositions
US5679323A (en) * 1986-07-03 1997-10-21 Advanced Magnetics, Inc. Hepatocyte-specific receptor-mediated endocytosis-type compositions
US4951675A (en) * 1986-07-03 1990-08-28 Advanced Magnetics, Incorporated Biodegradable superparamagnetic metal oxides as contrast agents for MR imaging
US5055288A (en) * 1987-06-26 1991-10-08 Advanced Magnetics, Inc. Vascular magnetic imaging method and agent comprising biodegradeable superparamagnetic metal oxides
US5160726A (en) * 1990-02-15 1992-11-03 Advanced Magnetics Inc. Filter sterilization for production of colloidal, superparamagnetic MR contrast agents
US5284646A (en) * 1986-07-03 1994-02-08 Advanced Magnetics Inc. Hepatocyte specific receptor mediated endocytosis type magnetic resonance imaging contrast agents
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US5393525A (en) * 1989-07-21 1995-02-28 Nycomed Imaging As Contrast medium comprising superparamagnetic or ferromagnetic particles capable of increasing viscosity after administration
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US5190744A (en) * 1990-03-09 1993-03-02 Salutar Methods for detecting blood perfusion variations by magnetic resonance imaging
US5494655A (en) * 1990-03-09 1996-02-27 The Regents Of The University Of California Methods for detecting blood perfusion variations by magnetic resonance imaging
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EP0689430B1 (de) * 1993-03-17 1997-08-13 Silica Gel Ges.M.B.H Superparamagnetische teilchen, verfahren zu ihrer herstellung und verwendung derselben
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US20020177769A1 (en) * 2001-04-23 2002-11-28 The Regents Of The University Of California Method and apparatus for locating cells in the body by measuring magnetic moments
US7018849B2 (en) * 2002-01-15 2006-03-28 Piasio Roger N Process for (A) separating biological/ligands from dilute solutions and (B) conducting an immunochromatographic assay thereof employing superparamagnetic particles throughtout
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CA1242643A (en) * 1983-08-12 1988-10-04 Eric T. Fossel Nmr imaging utilizing chemical shift reagents
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Also Published As

Publication number Publication date
FI85442B (fi) 1992-01-15
NO854765L (no) 1985-11-28
US4863715A (en) 1989-09-05
AU4215185A (en) 1985-11-01
DK528385D0 (da) 1985-11-15
DK528385A (da) 1985-11-15
HK18094A (en) 1994-03-11
NO173429B (no) 1993-09-06
FI854488A (fi) 1985-11-14
GB8408127D0 (en) 1984-05-10
WO1985004330A1 (en) 1985-10-10
EP0177545B1 (en) 1991-02-27
JPH066538B2 (ja) 1994-01-26
DK171526B1 (da) 1996-12-23
ATE61001T1 (de) 1991-03-15
JPS61501633A (ja) 1986-08-07
FI85442C (fi) 1992-04-27
EP0177545B2 (en) 2002-10-23
FI854488A0 (fi) 1985-11-14
NL960016I1 (nl) 1996-10-01
NO173429C (no) 1993-12-22
AU568740B2 (en) 1988-01-07
NL960016I2 (nl) 1996-12-02
DE3581871D1 (de) 1991-04-04
EP0177545A1 (en) 1986-04-16

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