Patent · US Active

Silicone hydrogel contact lenses

US9057822B2 · kind B2 · utility

12Cited by

7References

15Claims

0Family size

Assignee

COOPERVISION INTERNATIONAL LIMITED · GB

Inventors

Yuwen Liu · Dublin, US
Ye Hong · Pleasanton, US
Junhao Ge · Johns Creek, US
Yuan Xu · Fremont, US
Charlie Chen · San Ramon, US
Charles A. Francis · Union City, US
Li Yao · Corning, US
Arthur Back · Danville, US

Key dates

Filing date	Feb 23, 2012
Grant date	Jun 16, 2015
Priority date	—
Expiry date	May 12, 2032

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J11/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Silicone hydrogel contact lenses that are derived from a polymerizable composition including a first siloxane monomer represented by formula (3):

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