Howmet Aerospace. has filed a patent for metallic substrate treatment methods involving a phosphonate functionalized layer. The process includes contacting aluminum or aluminum alloy with a fluid containing phosphonate acid or derivative to form the layer. The patent aims to improve the corrosion resistance of metallic substrates. GlobalData’s report on Howmet Aerospace 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 Howmet Aerospace, Selective laser solidification was a key innovation area identified from patents. Howmet Aerospace's grant share as of January 2024 was 65%. Grant share is based on the ratio of number of grants to total number of patents.
Metallic substrate treatment with phosphonate functionalized layer
The patent application (Publication Number: US20240026545A1) describes an innovative article comprising a metallic substrate made of aluminum or an aluminum alloy, with a phosphonate functionalized layer applied to at least a portion of the substrate. This phosphonate functionalized layer includes a phosphonate group bonded to the metallic substrate, providing unique properties and functionalities to the article.
Additionally, the article may have a coating deposited over the phosphonate functionalized layer, with options including siloxane, silazane, fluoropolymer, acrylic, epoxy, polyester, and polyurethane coatings. The application of this technology is versatile, with the article being suitable for various industries such as aerospace, automotive, transportation, building, and construction. Furthermore, the patent also specifically mentions the application of this technology in vehicle wheels, where the metallic substrate is combined with the phosphonate functionalized layer and optional coating to enhance performance and durability. This innovative approach to surface treatment and protection showcases the potential for improved functionality and longevity in various applications, particularly in the automotive and aerospace sectors.
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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.
