Patent · US Expired

Porous polymeric particle comprising polyvinyl alcohol and having interior to surface porosity-gradient

US7449236B2 · kind B2 · utility

38Cited by
308References
43Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 8, 2003
Grant dateNov 11, 2008
Priority date
Expiry dateDec 23, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2982
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Embolic particles, as well as their methods of use and manufacture, are described.

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