Patent · US Active

Silicone hydrogel contact lenses

US11365288B2 · kind B2 · utility

2Cited by

2References

30Claims

0Family size

Assignee

ALCON INC. · CH

Inventors

Steve Yun Zhang · Sugar Hill, US
Daqing Wu · Suwanee, US
Junhao Ge · Johns Creek, US
Richard Charles Breitkopf · Dunwoody, US
Xinming Qian · Johns Creek, US
Zach Munoz · Smyrna, US
Matthew D. Nelson · Salt Lake City, US
Augustine Twum Kumi · Grayson, US
Weihong Lang · Suwanee, US
Ying Zheng · Suwanee, US
Feng Jing · Atlanta, US
Frank Chang · Cumming, US

Key dates

Filing date	Sep 30, 2020
Grant date	Jun 21, 2022
Priority date	—
Expiry date	Sep 30, 2040

Classification

Technology area (CPC G)Physics
CPC primaryG02B2207/109
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention generally relates to inherently wettable silicone hydrogel contact lenses having relatively high oxygen permeability, relatively high equilibrium water content and relatively low elastic modulus. The present invention is also related to a method for making such inherently wettable silicone hydrogel contact lenses.

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