Patent ID: 6475477
Filing Date: 2002-11-05
Classification: A61K,A61L,C08G,C08K

Abstract:
A radio-opaque polymer characterized by having the structure: wherein X1 and X2 are independently I or Br, Y1 and Y2 are independently 0, 1 or 2, R7 is independently an alkylene group containing up to 4 carbon atoms; R9 and R12 are independently an alkyl, aryl or alkylaryl group containing up to 18 carbon atoms; A is: wherein R8 is selected from the group consisting of saturated and unsaturated, substituted and unsubstituted alkyl, aryl and alkylaryl groups containing up to 18 carbon atoms; k is between about 5 and about 3,000, and f and g are independently between 0 and 0.99, inclusive.