The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 24, 2020
Filed:
Jun. 06, 2018
Applicant:
Alcon Inc., Fribourg, CH;
Inventors:
Daqing Wu, Suwanee, GA (US);
Steve Yun Zhang, Sugar Hill, GA (US);
Xinming Qian, Johns Creek, GA (US);
Zach Munoz, Smyrna, GA (US);
Frank Chang, Cumming, GA (US);
Wei Liang, Johns Creek, GA (US);
Ying Zheng, Suwanee, GA (US);
Richard Charles Breitkopf, Dunwoody, GA (US);
Matthew D. Nelson, Salt Lake City, UT (US);
Augustine Twum Kumi, Grayson, GA (US);
Assignee:
Alcon, Inc., Fribourg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 11/00 (2006.01); G02B 1/04 (2006.01); C08G 77/442 (2006.01); C08L 83/04 (2006.01);
U.S. Cl.
CPC ...
B29D 11/00134 (2013.01); B29D 11/00067 (2013.01); B29D 11/00076 (2013.01); G02B 1/043 (2013.01); C08G 77/442 (2013.01); C08L 83/04 (2013.01);
Abstract
The present invention generally relates to a method for producing inherently wettable silicone hydrogel contact lenses with a robusteness of lens shape and having relatively high oxygen permeability, relatively high equilibrium water content and relatively low elastic modulus.