TransDigm Group has patented VIS-IR powders with tin, offering enhanced visual intensity, lower reaction temperature, and improved resistance to clumping. The method involves mixing metal compositions, heating, leaching, and drying to create the unique powder. GlobalData’s report on TransDigm Group 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 TransDigm Group, was a key innovation area identified from patents. TransDigm Group's grant share as of February 2024 was 87%. Grant share is based on the ratio of number of grants to total number of patents.

Vis-ir powder with tin for improved properties

Source: United States Patent and Trademark Office (USPTO). Credit: TransDigm Group Inc

A recently granted patent (Publication Number: US11897825B2) discloses a method for preparing a visual and infrared signature composition (VIS-IR powder) that involves mixing metal compositions, heating, leaching, and drying processes. The method includes mixing aluminum and tin with a binder composition, adding iron to the mixture, heating it to create an intermetallic composition, and then leaching out the aluminum to obtain a solid portion containing tin and pyrophoric iron, which is then dried to produce the VIS-IR powder.

The patent also details additional steps such as using metasilicate binders, heating the metal compositions to form an aluminum-tin eutectic, grinding the intermetallic composition into a powder, and rinsing the solid portion before drying. The VIS-IR powder is designed to be packaged in an oxygen-free carrier, potentially with a frangible material that allows exposure to oxygen upon breaking. Furthermore, the composition is configured to release tin vapor upon oxidation of the pyrophoric iron, and the drying process is specified to be carried out in an inert atmosphere, resulting in particles ranging from -60 to -200 mesh in size.

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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.