Stratasys has been granted a patent for a method of creating three-dimensional objects with glossy surfaces. The process involves selectively depositing and curing two types of acrylic materials, forming an intermediate region that enhances surface gloss, followed by dissolving a support region in an aqueous solution. GlobalData’s report on Stratasys 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 Stratasys, Spacecraft 3D Printing was a key innovation area identified from patents. Stratasys's grant share as of July 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.
Three-dimensional object with glossy surface using water-soluble support
The granted patent US12070908B2 outlines a novel water-soluble support material formulation designed for use in additive manufacturing, specifically in 3D inkjet printing. The formulation consists of a first hydrophilic monofunctional curable material, N-Isopropylacrylamide (NIPAM), present in a weight range of 20% to 40%, and a second hydrophilic monofunctional curable material, N-Hydroxyethyl acrylamide (HEAA), also comprising 20% to 40% by weight. Additionally, the formulation includes at least one water-miscible non-curable material, which constitutes 30% to 50% of the total weight, along with a photoinitiator. The viscosity of the formulation is specified to be between 8 to 40 centipoises at 75°C, ensuring its suitability for the intended manufacturing processes.
Further claims detail the composition and ratios of the materials within the formulation. The weight ratio of the first to the second curable material is maintained between 1:2 to 2:1, with specific ranges for each curable material set at 20% to 30% by weight. The water-miscible non-curable materials can include various substances such as water, polyols, and polyethylene glycols, with water being present in a range of 1% to 15% by weight. The formulation may also contain additional additives, limited to a total of no more than 3% by weight. This innovative formulation aims to enhance the efficiency and effectiveness of support materials in 3D printing applications, contributing to advancements in additive manufacturing technologies.
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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.
