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US 2026/0036718 A1Published application
Contact lens composition and contact lens product
AssigneesLargan Medical Co., Ltd., LE Biomedical Corp.
InventorsWei-Yuan CHEN, Yu-Yi SHIH, Wei-Chun CHEN, Yi Shyang HUANG, Yu Yin NI, Yu Jie HONG, Chun-Hung TENG
Life of this patent
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Abstract
A contact lens composition includes an antibacterial agent and a dispersant. The antibacterial agent is a nanosilver. The dispersant is a polymeric dispersant. When the specific conditions of the percentage of the nanosilver, the percentage of the dispersant and the molecular weight of the dispersant are satisfied, the uniformity of dispersion of the nanosilver can be enhanced.
Claims24
A contact lens composition, comprising:
- an antibacterial agent being a nanosilver;
- and
- a dispersant being a polymeric dispersant;
- wherein a percentage of the nanosilver in the contact lens composition is Pag, a percentage of the dispersant in the contact lens composition is Pd, a molecular weight of the dispersant is MWd, and the following conditions are satisfied:
- Pag
- /
- Pd
- ≤
- 0.001
- ;
- and
- 100000
-
- g
- /
- mol
- ≤
- MWd
- .
16 more elements
A contact lens composition, comprising:
- an antibacterial agent being a nanosilver;
- a humectant being a glucan;
- and
- a dispersant being a polymeric dispersant;
- wherein a molecular weight of the dispersant is MWd, and the following condition is satisfied:
- 300000
-
- g
- /
- mol
- ≤
- MWd
- .
10 more elements
Dependencies are inferred from the claim text.