US Patent No: 5,922,304

Number of patents in Portfolio can not be more than 2000

Gaseous precursor filled microspheres as magnetic resonance imaging contrast agents

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Importance

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Abstract

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Novel gas filled microspheres useful as magnetic resonance imaging (MRI) contrast agents are provided.

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First Claim

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all claims..

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CEREVAST THERAPEUTICS, INC.TUCSON, AZ27

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Unger, Evan C Tucson, AZ 161 6663

Cited Art Landscape

Patent Info (Count) # Cites Year
 
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5,393,524 Methods for selecting and using gases as ultrasound contrast media 163 1993
5,529,766 Contrast agents 97 1993
5,536,490 Contrast agents 108 1993
5,595,723 Method for preparing storage stable colloids 79 1993
5,558,853 Phase shift colloids as ultrasound contrast agents 143 1994
5,562,893 Gas-filled microspheres with fluorine-containing shells 87 1994
5,558,856 Microbubble-generating contrast agents for ultrasound and magnetic resonance imaging 139 1994
5,573,751 Persistent gaseous bubbles as ultrasound contrast media 79 1994
5,558,854 Ultrasound contrast media comprising perfluoropentane and perfluorohexane gas 104 1995
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5,707,607 Phase shift colloids as ultrasound contrast agents 61 1995
 
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5,352,435 Ionophore containing liposomes for ultrasound imaging 121 1992
5,281,408 Low density microspheres and their use as contrast agents for computed tomography 158 1993
5,305,757 Gas filled liposomes and their use as ultrasonic contrast agents 96 1993
5,469,854 Methods of preparing gas-filled liposomes 193 1993
5,334,381 Liposomes as contrast agents for ultrasonic imaging and methods for preparing the same 192 1993
5,456,900 Low density microspheres and their use as contrast agents for computed tomography 69 1993
5,542,935 Therapeutic delivery systems related applications 270 1993
5,585,112 Method of preparing gas and gaseous precursor-filled microspheres 200 1993
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5,527,521 Low density microspheres and suspensions and their use as contrast agents for computed tomography and in other applications 92 1995
 
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BRACCO SUISSE SA (7)
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Molecular Biosystems, Inc. (5)
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PFC THERAPEUTICS, LLC (5)
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Liposome Technology, Inc. (4)
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PQ CORPORATION (4)
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TARGESON, INC. (4)
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MASSACHUSETTS INSTITUTE OF TECHNOLOGY (3)
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SLF LIMITED PARTNERSHIP (3)
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ABRAXIS BIOSCIENCE, LLC (2)
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CALIFORNIA INSTITUTE OF TECHNOLOGY (2)
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CEREVAST THERAPEUTICS, INC. (2)
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DR. F. KOHLER CHEMIE GMBH (2)
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GORDON, DAVID, SKOKIE, ILLINOIS (2)
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IMARX THERAPEUTICS, INC. (2)
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Minnesota Mining and Manufacturing Company (2)
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NOVAVAX, INC. (2)
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5,219,538 Gas and oxygen carrying lipid vesicles 88 1991
 
SEQUUS PHARMACEUTICALS, INC. (2)
5,213,804 Solid tumor treatment method and composition 202 1991
5,620,689 Liposomes for treatment of B-cell and T-cell disorders 93 1995
 
SURFACTANT TECHNOLOGIES, INC. (2)
4,426,330 Synthetic phospholipid compounds 142 1981
4,534,899 Synthetic phospholipid compounds 179 1983
 
UNIVERSITY OF MASSACHUSETTS (2)
4,544,545 Liposomes containing modified cholesterol for organ targeting 393 1983
4,900,540 Lipisomes containing gas for ultrasound detection 201 1983
 
YISSUM RESEARCH DEVELOPMENT COMPANY OF THE HEBREW UNIVERSITY OF JERUSALEM (2)
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ACUSPHERE, INC. (1)
5,425,366 Ultrasonic contrast agents for color Doppler imaging 246 1993
 
AECI Limited (1)
4,790,891 Process for the production of a cartridged explosive with entrapped bubbles 84 1987
 
ALZA CORPORATION (1)
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AMERICAN BIOSCIENCE, INC. (1)
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ATTA (1)
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BATTELLE MEMORIAL INSTITUTE (1)
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BAYER INTELLECTUAL PROPERTY GMBH (1)
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BIOCOMPATIBLES UK LIMITED (1)
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BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA (1)
5,560,364 Suspended ultra-sound induced microbubble cavitation imaging 152 1995
 
CALFEE HALTER & GRISWOLD, LLP (1)
4,603,044 Hepatocyte Directed Vesicle delivery system 127 1984
 
CARLTON MEDICAL PRODUCTS LIMITED (1)
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CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (1)
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CHILDREN'S HOSPITAL RESEARCH FOUNDATION (1)
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CIBA CORNING DIAGNOSTICS CORP. (1)
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Collaborative Research, Inc. (1)
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DREWES, WILLIAM (1)
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Genentech, Inc. (1)
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HemaGen/PFC (1)
5,350,571 Emulsions of highly fluorinated organic compounds 83 1992
 
HEMAGEN/PFC, 655 MONTGOMERY STREET, SUITE 1710, SAN FRANCISCO, CA. 94111, A LIMITED PARTNERSHIP OF CA. (1)
5,171,755 Emulsions of highly fluorinated organic compounds 117 1988
 
Hoechst Aktiengesellschaft (1)
5,205,287 Ultrasonic contrast agents, processes for their preparation and the use thereof as diagnostic and therapeutic agents 209 1992
 
ILLINOIS INSTITUTE OF TECHNOLOGY, A NOT-FOR-PROFIT CORP. OF ILLINOIS (1)
4,776,991 Scaled-up production of liposome-encapsulated hemoglobin 123 1986
 
IMCOR PHARMACEUTICAL CO. (1)
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INSIGHTEC LTD. (1)
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KABUSHIKI KAISHA TOSHIBA (1)
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La Jolla Cancer Research Foundation (1)
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Linton Medical Services Limited (1)
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LIPOSOME COMPANY, INC., THE (1)
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PHARES PHARMACEUTICAL RESEARCH N.V. (1)
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Thomson-CSF (1)
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Other [Check patent profile for assignment information] (3)
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Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
BOSTON SCIENTIFIC SCIMED, INC. (30)
7,588,780 Embolization 3 2002
7,462,366 Drug delivery particle 30 2002
7,131,997 Tissue treatment 23 2002
7,883,490 Mixing and delivery of therapeutic compositions 3 2002
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7,449,236 Porous polymeric particle comprising polyvinyl alcohol and having interior to surface porosity-gradient 7 2003
8,012,454 Embolization 2 2003
7,588,825 Embolic compositions 3 2003
7,736,671 Embolization 2 2004
8,173,176 Embolization 1 2004
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7,858,183 Particles 1 2005
7,727,555 Particles 2 2005
7,963,287 Tissue-treatment methods 8 2005
8,007,509 Coil assemblies, components and methods 7 2005
7,501,179 Block copolymer particles 4 2005
7,947,368 Block copolymer particles 0 2006
8,152,839 Embolic coils 0 2006
7,611,542 Tissue treatment 6 2006
7,507,772 Forming a chemically cross-linked particle of a desired shape and diameter 0 2007
8,414,927 Cross-linked polymer particles 5 2007
7,666,333 Embolization 2 2007
7,951,402 Drug delivery particle 0 2008
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LANTHEUS MEDICAL IMAGING, INC. (5)
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UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION (3)
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