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:
Dec. 24, 2024
Filed:
Aug. 03, 2021
Applicant:
Alcon Inc., Fribourg, CH;
Inventors:
Jing Cheng, Brea, CA (US);
Stephen Raymond Perreault, Peachtree Corners, GA (US);
Daqing Wu, Suwanee, GA (US);
Steve Yun Zhang, Sugar Hill, GA (US);
Jang-Shing Chiou, Suwanee, GA (US);
Assignee:
Alcon Inc., Fribourg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/00 (2006.01); A45C 11/00 (2006.01); A61K 9/51 (2006.01); A61K 31/685 (2006.01); A61L 12/04 (2006.01); B65B 25/00 (2006.01);
U.S. Cl.
CPC ...
A61K 9/0051 (2013.01); A45C 11/005 (2013.01); A61K 9/5115 (2013.01); A61K 9/5192 (2013.01); A61K 31/685 (2013.01); A61L 12/04 (2013.01); B65B 25/008 (2013.01);
Abstract
The present invention relates to a method to load a water insoluble phospholipid as nanoparticles to load into a hydrogel contact lens in autoclaving process during the hydrogel contact lens manufacturing process without an extra manufacturing step and without swelling the hydrogel contact lens with an organic solvent. The phospholipid nanoparticles loaded in hydrogel contact lens subsequently releases to the eye upon wearing.