Patent · US Active

Silcone-containing prepolymers

US7691917B2 · kind B2 · utility

25Cited by
103References
52Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 2007
Grant dateApr 6, 2010
Priority date—
Expiry dateSep 30, 2028

Classification

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

Abstract

Prepolymers comprising at least one block of Formula II and terminated with a polymerizable ethylenically unsaturated radical are useful in hydrogel materials are disclosed:wherein n, R, R1, R2 and X+ are as defined herein.

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