Patent · US Active

Method of embolization using a radiopaque, non-biodegradable, water-insoluble iodinated benzyl ether of polyl(vinyl alcohol)

US9434800B2 · kind B2 · utility

10Cited by
1References
14Claims
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Key dates

Filing dateJul 8, 2015
Grant dateSep 6, 2016
Priority date
Expiry dateJul 8, 2035

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61L2430/36
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A method of embolizing an area of treatment includes providing a composition that includes a radiopaque, non-biodegradable, water-insoluble iodinated benzyl ether of poly(vinyl alcohol) consisting of a poly(vinyl alcohol) (PVA) having covalently grafted thereon iodinated benzyl groups comprising from 1 to 4 iodine atoms per benzyl group as the only substituents wherein a grafted repeating unit has formula (I)wherein n is from 1 to 4: and introducing the composition into the area of treatment.

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