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:
Oct. 14, 2025
Filed:
Mar. 25, 2022
Applicant:
Largan Medical Co., Ltd., Taichung, TW;
Inventors:
Wei-Yuan Chen, Taichung, TW;
Po-Tsun Chen, Taichung, TW;
Wei-Chun Chen, Taichung, TW;
Chun-Hung Teng, Taichung, TW;
Assignee:
LARGAN MEDICAL CO., LTD., Taichung, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 12/00 (2006.01); A61L 12/08 (2006.01); A61L 12/14 (2006.01); C08F 20/30 (2006.01); C08F 22/10 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
G02B 1/043 (2013.01); A61L 12/147 (2013.01); C08F 20/30 (2013.01); C08F 22/1006 (2020.02);
Abstract
A contact lens product includes a contact lens and a buffer solution. The contact lens is stored in the buffer solution. The buffer solution includes at least one antioxidant. The contact lens includes at least one curcuminoid. When a weight percentage concentration of the curcuminoid in the contact lens is Ccu, and a weight percentage concentration of the antioxidant in the buffer solution is Cao, a specific condition relating to Ccu/Cao is satisfied.