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ORGANIC-INORGANIC HYBRID PARTICLES CONTAINING CONTRAST AGENT

Foreign code F110004374
File No. A252-38WO
Posted date Jul 14, 2011
Country Canada
Application number 2707233
Gazette No. 2707233
Gazette No. 2707233
Date of filing Sep 4, 2007
Gazette Date Jun 12, 2008
Gazette Date Dec 17, 2013
Priority data
  • P2006-330436 (Dec 7, 2006) JP
Title ORGANIC-INORGANIC HYBRID PARTICLES CONTAINING CONTRAST AGENT
Abstract

This invention provides organic-inorganic hybrid particles containing as the essential components a block copolymer comprising an uncharged hydrophilic polymer chain segment and a polymer chain segment containing a repeated structural unit having a carboxylate ion group at its side chain

calcium ion (Ca2+), phosphate ion (PO4 3-) or carbonate ion (CO 3 2-), or a mixture of these anions

and a contrast agent. The particles provide, in particular, carriers for stably delivering an MRI contrast agent to a target site.

  • Applicant
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • Inventor
  • KATAOKA, KAZUNORI,
  • KUMAGAI, MICHIAKI,
  • AIKAWA, KEISUKE
IPC(International Patent Classification)
Reference ( R and D project ) CREST Creation of Bio-Devices and Bio-Systems with Chemical and Biological Molecules for Medical Use AREA
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