Patent · US Active

Polysiloxane prepolymers for biomedical devices

US7423074B2 · kind B2 · utility

111Cited by
17References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 2, 2005
Grant dateSep 9, 2008
Priority date—
Expiry dateAug 16, 2026

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G2210/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polysiloxane copolymer that is useful for forming biomedical devices comprises blocks (I) and (II) and is terminated at each end with an ethylenically unsaturated radical:(*Dii*Diol*Dii*PS)x   (I)(*Dii*PS)y   (II)wherein:

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