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Class Information
Number: 424/9.454
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 > 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
8202511 Contrast agents Jun. 19, 2012
8147805 Conjugates for dual imaging and radiochemotherapy: composition, manufacturing, and applications Apr. 3, 2012
8066974 Contrast agents Nov. 29, 2011
7368101 Process for the preparation of iopamidol and the new intermediates therein May. 6, 2008
6596904 Process for producing ioversol Jul. 22, 2003
6506938 Process for the purifying of iopamidol Jan. 14, 2003
6500341 Process for the purification of water-soluble non-ionic contrast agents Dec. 31, 2002
6469208 Process for the preparation of crystalline and solvent free iohexol Oct. 22, 2002
6232499 Process for the production of iodinated organic x-ray contrast agents May. 15, 2001
6153796 Process for iohexol manufacture Nov. 28, 2000
6072069 Biodegradable nonionic contrast media Jun. 6, 2000
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
RE36433 Process for the purifying of iopamidol Dec. 7, 1999
RE36418 Contrast media comprising a non-ionic contrast agent with low levels of sodium and calcium ions Nov. 30, 1999
5948940 Process for iohexol manufacture Sep. 7, 1999
5866100 Compositions for imaging of the gastrointestinal tract Feb. 2, 1999
5824821 Process for the preparation of iodinated contrast agents and intermediates therefor Oct. 20, 1998
5817861 Process for the preparation of an intermediate useful in the synthesis of iodinated contrast media Oct. 6, 1998
5811581 Process for the purification of opacifying contrast agents Sep. 22, 1998
5728877 Process for the manufacturing of iodinated contrast agents Mar. 17, 1998
5689002 Process for the crystallization from water of (S)-N,N'-bis[2-hydroxy-1-(hydroxymethyl)ethyl]-5-[2-hydroxy-1-oxopropyl) amino]-2,4,6-triiodo-1,3-benzendicarboxamide Nov. 18, 1997
5686061 Particulate contrast media derived from non-ionic water soluble contrast agents for CT enhancement of hepatic tumors Nov. 11, 1997
5648536 Process for producing ioversol Jul. 15, 1997
5626832 Injectable opacifying composition containing liposomes of high encapsulation capacity for X-ray examinations May. 6, 1997
5609851 Compounds which can be used in contrast products for radiography Mar. 11, 1997
5575905 Iodination process Nov. 19, 1996
5571941 Process for the purifying of iopamidol Nov. 5, 1996
5447711 Contrast media Sep. 5, 1995
5445810 Injectable opacifying composition containing liposomes of high encapsulating capacity for X-ray examinations Aug. 29, 1995
5366722 Contrast media comprising a non-ionic contrast agent and sodium ions Nov. 22, 1994
5356613 X-ray contrast agents, compositions and methods Oct. 18, 1994
5330739 Iodinated benzoyl acetals and ketals for x-ray imaging Jul. 19, 1994
5328680 Contrast media comprising a non-ionic contrast agent with low levels of sodium & calcium ions Jul. 12, 1994
5328404 Method of x-ray imaging using iodinated aromatic propanedioates Jul. 12, 1994
5324503 Iodo-phenylated chelates for x-ray contrast Jun. 28, 1994
5318767 X-ray contrast compositions useful in medical imaging Jun. 7, 1994
5318768 Polymeric x-ray contrast compositions containing an organic crystalline x-ray contrast agent Jun. 7, 1994
5312615 Injectable opacifying composition containing liposomes of high encapsulation capacity for X-ray examinations May. 17, 1994
5256393 Use of azeotropic distillation in process to dry 5-amino-N,N'bis (2,3-dihydroxypropyl)-2,4,6-triiodoisphthalamide Oct. 26, 1993
5242683 Contrast media comprising a paramagnetic agent and an iodinated agent for X-ray and MRI Sep. 7, 1993
5233995 Encapsulated particles useful as contrast agents in ultrasound and x-ray imaging compositions and methods Aug. 10, 1993
5232685 Nonionic x-ray contrast medium with high iodine content Aug. 3, 1993
5204086 X-ray contrast agent Apr. 20, 1993
5183654 Nonionic x-ray contrast medium with high iodine content Feb. 2, 1993
5075502 Nonionic X-ray contrast agents, compositions and methods Dec. 24, 1991
5047228 Nonionic 5-C-substituted 2,4,6-triiodoisophthalic acid derivatives Sep. 10, 1991
5043152 Novel iodinated non-ionic triiodobenzene compounds and contrast media containing them Aug. 27, 1991
5035877 Non-ionic contrast media from ionic contrast media Jul. 30, 1991

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