Patent · US Expired

Siloxanyl-containing monomers

US7317117B2 · kind B2 · utility

32Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 2, 2001
Grant dateJan 8, 2008
Priority date—
Expiry dateDec 20, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/0838
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Monomers for polymers having high oxygen permeability, high water content and a low modulus of elasticity are provided, and polymers and ophthalmic lenses comprised of said monomers are provided. They are monomers represented by formula (1) or (2) below:X—O—(CH2CH2CH2O)m—(CH2)n—A   (1)

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