Patent · US Expired

Tissue treatment

US7131997B2 · kind B2 · utility

49Cited by
304References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 30, 2002
Grant dateNov 7, 2006
Priority date
Expiry dateJan 16, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2329/04
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A method of treating tissue includes placing substantially spherical polymer particles in the tissue. The particles include an interior region having relatively large pores and a first region substantially surrounding the interior having fewer relatively large pores than the interior region.

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