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:
Jul. 15, 2025
Filed:
Mar. 31, 2022
Alcon Inc., Fribourg, CH;
Yuan Chang, Atlanta, GA (US);
Junhao Ge, Redwood City, CA (US);
Ying Pi, Suwanee, GA (US);
Cornelius Daniel Niculas, Suwanee, GA (US);
Yang Zheng, Alpharetta, GA (US);
Steve Yun Zhang, Sugar Hill, GA (US);
Michelle Plavnik, Atlanta, GA (US);
Ethan Leveillee, Atlanta, GA (US);
Jing Cheng, Brea, CA (US);
Augustine Twum Kumi, Grayson, GA (US);
Alcon Inc., Fribourg, CH;
Abstract
The invention is directed to an embedded hydrogel contact lens, which comprises an insert sandwiched between two layers of hydrogel materials and can be produced according to a cast molding method including the procedures involving two females halves (FCand FC) and two male halves (BCand BC) and three consequential molding steps involving three molding assemblies: the 1st one formed between FCand BCfor molding an insert; the 2one formed between FCand BCfor molding a lens precursor having the molded insert embedded in a layer of a hydrogel material in a way that the front surface of the molded insert merges with the convex surface of the lens precursor; and the 3rd one formed between FCand BCfor molding an embedded hydrogel contact of the invention.