adidas has been granted a patent for a multilayer fabric designed to selectively block or transmit specific wavelengths of electromagnetic radiation, including solar and far infrared radiation. The fabric features a microporous water vapor permeable layer with a metallic component and a defined pore size, enhancing its filtering capabilities. GlobalData’s report on adidas 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 adidas, Footwear 3D Printing was a key innovation area identified from patents. adidas's grant share as of June 2024 was 72%. Grant share is based on the ratio of number of grants to total number of patents.
Multilayer fabric for selective wavelength transmission and blocking
The granted patent US12041994B2 describes a multilayer fabric that incorporates a unique microporous water vapor permeable layer. This layer features a metallic component with a thickness of 10 nanometers or less and contains pores ranging from 1.0 to 14.0 microns in size. The design of the pores allows for the transmission of far infrared (FIR) radiation and solar radiation, arranged in a consistent pattern. The fabric consists of a first and a second textile layer, both coupled to the microporous layer, which is situated between them. The claims further specify that the microporous layer can consist solely of the metallic layer and is engineered to transmit at least 90% of solar radiation while limiting FIR radiation transmission to no more than 10%.
Additional claims detail the characteristics of the microporous layer, including a pore density of at least 5,000 pores per mm² and a controlled pore size deviation of ±1.0 microns. The metallic layer can be composed of various materials such as aluminum, titanium, silver, and others, with a thickness ranging from 7.5 angstroms to 10 nanometers. The patent also mentions the possibility of incorporating a polymeric microporous membrane within the water vapor permeable layer. Furthermore, a substrate layer may be included, onto which the metallic layer is deposited, enhancing the overall structure and functionality of the multilayer fabric.
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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.
