Menicon has been granted a patent for a contact lens disinfection system that utilizes a hydrogen peroxide solution (1-10% concentration) combined with an organic carboxylic acid or its salt. The solution is designed to neutralize hydrogen peroxide and maintain specific pH and osmotic pressure levels. GlobalData’s report on Menicon gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Menicon, Opthalmic lenses 3D Printing was a key innovation area identified from patents. Menicon's grant share as of June 2024 was 47%. Grant share is based on the ratio of number of grants to total number of patents.
The granted patent US12042567B2 outlines a contact lens disinfecting solution that incorporates hydrogen peroxide at concentrations ranging from 1% to 10% by weight. The solution also includes at least one organic carboxylic acid or its salt, which features both a hydroxyl and a carboxyl group bonded to a single carbon atom. The claims specify that the pH of the solution should be maintained between 6 and 8, and the concentration of the organic carboxylic acid can vary from 0.1% to 5%, with specific claims indicating a narrower range of 0.1% to 1%. Examples of suitable organic carboxylic acids include citric, glycolic, malic, and tartaric acids. Additionally, the solution may contain chelating agents, surfactants, and nonionic tonicity agents to enhance its effectiveness.
Furthermore, the patent describes a contact lens disinfecting system that includes a metal catalyst capable of decomposing hydrogen peroxide, in conjunction with the aforementioned disinfecting solution. The metal catalyst can be selected from various metals such as platinum, palladium, silver, and others. The system may also feature a treatment container that houses the metal catalyst. The claims emphasize the importance of maintaining the organic carboxylic acid concentration at 0.1% or more, with a preferred range of 0.1% to 5%. Overall, the patent presents a comprehensive formulation aimed at improving the disinfection of contact lenses while ensuring compatibility and safety for users.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
