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Class Information
Number: 424/9.452
Name: Drug, bio-affecting and body treating compositions > In vivo diagnosis or in vivo testing > X-ray contrast imaging agent (e.g., computed tomography, angiography, etc.) > Halogenated benzene ring containing > Two or more halogenated benzene rings in the same compound > Three or more amide groups are attached directly to the same benzene ring by nonionic bonding
Description: Subject matter wherein at least three amide groups are directly attached to the same benzene ring by nonionic bonding.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8709384 Compositions and methods using microspheres and non-ionic contrast agents Apr. 29, 2014
8679460 Low osmolar X-ray contrast media formulations Mar. 25, 2014
8680334 Process for the preparation of iosimenol Mar. 25, 2014
8445724 Preparation of iodixanol May. 21, 2013
8445725 Process for the preparation of iosimenol May. 21, 2013
8420858 Process for preparation of iopromide Apr. 16, 2013
8389765 Purification of iodixanol Mar. 5, 2013
8323619 Contrast agents Dec. 4, 2012
8202511 Contrast agents Jun. 19, 2012
8147805 Conjugates for dual imaging and radiochemotherapy: composition, manufacturing, and applications Apr. 3, 2012
8124806 Contrast agents Feb. 28, 2012
8071811 Contrast agents Dec. 6, 2011
8066974 Contrast agents Nov. 29, 2011
8067637 Contrast agents Nov. 29, 2011
7999135 Crystallization of iodixanol using ultrasound Aug. 16, 2011
7999134 Crystallization of iodixanol using milling Aug. 16, 2011
7863484 Method for reducing aminoisophthalic acid bisamide related impurities in preparation of non-ionic X-ray contrast agents Jan. 4, 2011
7696381 Alternative dimerisation reagents for synthesis of iodixanol Apr. 13, 2010
7541494 Process for the manufacture of iohexol Jun. 2, 2009
7282607 Process for the preparation of iopamidol Oct. 16, 2007
7250153 Contrast media formulations having improved biological tolerance Jul. 31, 2007
7115778 Process for the preparation of iopamidol Oct. 3, 2006
6974882 Preparation of iodixanol Dec. 13, 2005
6943269 Contrast media for angiography Sep. 13, 2005
6897339 Process for the production of high purity iohexol May. 24, 2005
6875887 Process for the preparation of iopamidol Apr. 5, 2005
6803485 Process for the preparation of iopamidol Oct. 12, 2004
6498273 Contrast media for angiography Dec. 24, 2002
6448442 Contrast media Sep. 10, 2002
6337422 Yellow polymorph of 5-amino-2,4,6-triiodo-n,n'-bis(2-3-dihydroxypropy)-isophthalamide Jan. 8, 2002
6310243 Iodinated x-ray contrast media Oct. 30, 2001
6265610 Contrast media for angiography Jul. 24, 2001
6262303 Process for the preparation of S-N,N'-bis[2-hydroxy-1-(hydroxymethyl)ethyl]-5-[(2-hydroxy-1-oxopropyl)-am ino]-2,4,6-triiodo-1,3-benzenedicarboxamide Jul. 17, 2001
6037494 Process for the crystallization from a linear or branched (C5-C6) alcohol or their mixtures of (S)-N,N'-bis[2-hydroxy-1-(hydroxymethyl)ethyl]-5-[(2-hydroxy-1-oxopropyy l)amino]-2,4,6-triio Mar. 14, 2000
5993780 Contrast media Nov. 30, 1999
5965772 Process for the preparation of 5-(acetyl(2,3-dihydroxypropyl)amino-N,N-bis(2,3-dihydroxypropyl)-2,4,6-t riiodo Oct. 12, 1999
5958376 Iodinated X-ray contrast media Sep. 28, 1999
5882628 Contrast media Mar. 16, 1999
5871713 Macromolecular polyamine iodine-containing compound, process for its preparation and its use as a contrast agent Feb. 16, 1999
5866100 Compositions for imaging of the gastrointestinal tract Feb. 2, 1999
5851511 Polyiodo compounds, their preparation and their use in X-ray radiology Dec. 22, 1998
5849953 Process for the purification of an intermediate Dec. 15, 1998
5847212 Process for the preparation of iohexol Dec. 8, 1998
5817873 Polyiodinated compounds, their preparation and their use as contrast media for radiology Oct. 6, 1998
5811581 Process for the purification of opacifying contrast agents Sep. 22, 1998
5709846 Iodinated derivatives, their preparation and their use as contrast agents in x-ray radiology Jan. 20, 1998
5698739 Carboxamide non-ionic contrast media Dec. 16, 1997
5686061 Particulate contrast media derived from non-ionic water soluble contrast agents for CT enhancement of hepatic tumors Nov. 11, 1997
5626832 Injectable opacifying composition containing liposomes of high encapsulation capacity for X-ray examinations May. 6, 1997
5618977 Polyiodinated compounds, process of preparation and contrast agent containing them Apr. 8, 1997

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