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:
Mar. 10, 2026
Filed:
May. 08, 2023
Alcon Inc., Fribourg, CH;
Newton T. Samuel, Suwanee, GA (US);
Cornelius Daniel Niculas, Suwanee, GA (US);
Richard Charles Breitkopf, Dunwoody, GA (US);
Nicholas Gober, Atlanta, GA (US);
Chandana Kolluru, Suwanee, GA (US);
Zahra Bassampour, Alpharetta, GA (US);
Steve Yun Zhang, Sugar Hill, GA (US);
Alcon Inc., Fribourg, CH;
Abstract
A method for producing embedded hydrogel contact lenses comprises at least the following steps: depositing a small drop of a viscous lens-forming composition in the center of a female lens mold half; placing a preformed insert on top of the small drop precisely in the center of the female lens mold half so that the insert is held by capillary forces due to the presence of a thin layer of the viscous lens-forming composition between the insert and the molding surface of the female lens mold half; dosing an amount of another less viscous lens-forming composition on top of the insert to immerse the insert in the female lens mold half; closing tightly a male lens mold half onto the top of the female lens mold half halves to form a molding assembly; curing both the lens-forming compositions in the molding assembly to form an embedded hydrogel lens precursor.