US 12,442,956 B2
Contact lens product
Wei-Yuan Chen, Taichung (TW); Po-Tsun Chen, Taichung (TW); Wei-Chun Chen, Taichung (TW); and Chun-Hung Teng, Taichung (TW)
Assigned to LARGAN MEDICAL CO., LTD., Taichung (TW)
Filed by LARGAN MEDICAL CO., LTD., Taichung (TW)
Filed on Mar. 25, 2022, as Appl. No. 17/704,129.
Claims priority of application No. 110112232 (TW), filed on Apr. 1, 2021.
Prior Publication US 2022/0326411 A1, Oct. 13, 2022
Int. Cl. 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)
CPC G02B 1/043 (2013.01) [A61L 12/147 (2013.01); C08F 20/30 (2013.01); C08F 22/1006 (2020.02)] 18 Claims
 
1. A contact lens product, comprising:
a contact lens; and
a buffer solution, wherein the contact lens is stored in the buffer solution, and the buffer solution comprises at least one antioxidant;
wherein the contact lens comprises a cured monomer mixture comprising at least one curcuminoid;
wherein the at least one curcuminoid is synthesized by reacting unmodified curcumin with a modifying reactant selected from the group consisting of 2-hydroxyethyl methacrylate (HEMA), methacrylic acid (MAA), and glycerol monomethacrylate (GMA), where the reaction involves the hydroxyl group of HEMA, the carboxylic acid group of MMA, or a hydroxyl group of GMA; and
wherein the at least one curcuminoid is represented by Formula (I) or Formula (II):

OG Complex Work Unit Chemistry
wherein R1 and R2 represent a hydrogen atom or a reacted modifying reactant, and at least one of R1 and R2 represents the reacted modifying reactant; or

OG Complex Work Unit Chemistry
wherein R5 represents a reacted modifying reactant, and R3 and R4 represent a hydrogen atom or a reacted modifying reactant;
wherein a weight percentage concentration of the curcuminoid in the contact lens is Ccu, a weight percentage concentration of the antioxidant in the buffer solution is Cao, and the following conditions is satisfied:
0.01≤Ccu/Cao≤10.00.
 
18. The contact lens product of claim 1, wherein the contact lens product is a daily disposable product and further comprises:
a light-proof package.