Nisshin Seifun Group. has filed a patent for a photocatalytic filter comprising a porous metal substrate with a photocatalyst. The product of thickness and cell number ranges from 100 to 400. This innovation aims to enhance air purification efficiency. GlobalData’s report on Nisshin Seifun Group gives a 360-degree view of the company including its patenting strategy. Buy the report here.
According to GlobalData’s company profile on Nisshin Seifun Group, Water gas shift catalysts was a key innovation area identified from patents. Nisshin Seifun Group's grant share as of January 2024 was 28%. Grant share is based on the ratio of number of grants to total number of patents.
Photocatalytic filter with porous metal substrate and fixed photocatalyst
The patent application (Publication Number: US20230372919A1) discloses a novel photocatalytic filter designed for air purification applications. The filter comprises a porous metal filter substrate with a photocatalyst fixed onto it. The thickness of the porous metal and the average cell number per inch determine the effectiveness of the filter, with the product of these two parameters falling within a specific range for optimal performance.
The porous metal used in the filter is selected from materials like nickel, silver, copper, aluminum, nickel-chrome, nickel-tin, and nickel-iron. Nickel is specifically mentioned as a material present in the porous metal. The filter also has low transmittance for ultraviolet light and utilizes titanium oxide as the photocatalyst with a specific particle size range. The support amount of the photocatalyst on the filter substrate is also defined. Additionally, the filter is designed in a flat planar shape for practical use. The patent application also includes a deodorizing apparatus incorporating this photocatalytic filter, highlighting its potential application in air purification systems.
To know more about GlobalData’s detailed insights on Nisshin Seifun Group, buy the report here.
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