Alcon had two patents in 3D printing during Q1 2024. The patent filed by Alcon Inc in Q1 2024 describes a continuous additive fabrication system that includes a bath of photopolymer resin, a light source assembly with a motorized variable aperture, a platform for the build object, and a drive mechanism. The system continuously moves a curing plane through the resin bath, with the shape of the focus point corresponding to the aperture shape. The aperture size and shape are adjusted while the curing plane moves through the resin. GlobalData’s report on Alcon gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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Alcon had no grants in 3D printing as a theme in Q1 2024.

Recent Patents

Application: 3d printing of an intraocular lens having smooth, curved surfaces (Patent ID: US20240083106A1)

The patent filed by Alcon Inc. describes a continuous additive fabrication system for forming intraocular lenses (IOLs) using photopolymer resin and a light source assembly with a motorized variable aperture. The system includes a drive mechanism to move the curing plane through the resin, varying the speed to create an aspherical surface on the IOL. The motorized variable aperture changes diameter as the light source assembly moves, forming the IOL with a smooth hemispherical shape.

Additionally, the system includes a platform to support the build object, with the position of the platform remaining fixed. The method involves continuously changing the optical power of the light source assembly to move the curing plane vertically through the resin towards the surface. The size or shape of the motorized variable aperture is altered while moving the curing plane or platform to ensure the IOL has a smooth hemispherical shape. The system and method provide a precise and controlled way to fabricate IOLs using additive manufacturing technology.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.