Patent · US Expired

Biomedical devices containing amphiphilic block copolymers

US7247692B2 · kind B2 · utility

162Cited by
28References
40Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 30, 2004
Grant dateJul 24, 2007
Priority date
Expiry dateAug 26, 2025

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61L2430/16
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

This invention relates to wettable biomedical devices comprising amphiphilic block copolymers. The amphiphilic block copolymers are useful as internal wetting agents for biomedical applications, such as implantable devices, ophthalmic devices and in one embodiment, contact lenses.

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