Patent · US Expired

Radiopaque acrylic resin

US4500658A · kind A · utility

77Cited by
11References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 6, 1983
Grant dateFeb 19, 1985
Priority date
Expiry dateJun 6, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K3/015
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Biomedical radiopaque acrylic resin, in bead form, with an average diameter of from about 10 to 100 microns and having substantially uniformly dispersed throughout the bead about 5 to 50 wt. % of radiopaque inorganic pigment with an average particle size of about 0.1 to 20 microns.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.