Siemens has patented a powder for SLS processing, combining high-temperature thermoplastics with semicrystalline materials. The blend shows a crystallization melting point, with specific materials and temperature parameters outlined in the claim. GlobalData’s report on Siemens 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 Siemens, Smart factory applications was a key innovation area identified from patents. Siemens's grant share as of May 2024 was 54%. Grant share is based on the ratio of number of grants to total number of patents.
Powder blend for sls method with specific melting points
A recently granted patent (Publication Number: US11999101B2) discloses a novel powder designed for processing in Selective Laser Sintering (SLS) methods. The powder consists of a blend of a first material, including polyethersulfone, polyphenylsulfone, polyether ether ketone, or polyphenylene sulfide, and a second material, which is a semicrystalline material. The unique aspect of this blend is that the crystallization melting point and glass transition temperature of the first material, along with the crystallite melting point of the second material, are within 25°C of each other. This specific composition and temperature proximity contribute to the powder's suitability for SLS processing.
Furthermore, the patent claims specify different ratios in which the first material is blended with the second material, ranging from 0.5 parts of the first material to 1.5 parts of the second material, to 1.5 parts of the first material to 0.5 parts of the second material. Additionally, variations in the second material, such as the inclusion of PPS (polyphenylene sulfide), are highlighted in the claims. The patent also covers a second embodiment of the powder, which includes additional materials like semicrystalline polyamide, polyaryletherketone, or urethane-based polymer in the first material, and an amorphous intrinsically flame retardant polymer in the second material. These compositions offer a wider range of properties and applications for the SLS processed powders, making them versatile and potentially valuable in various industries.
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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.
