Entegris. has filed a patent for an air filtration system that includes a photocatalytic reactor and a first air filter. The photocatalytic reactor uses a photocatalyst composition and a lamp to decompose volatile organic compounds in the air. The first air filter removes deactivating compounds, while a second air filter removes the byproducts of the decomposition process. GlobalData’s report on Entegris 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 Entegris, 3D memory devices was a key innovation area identified from patents. Entegris's grant share as of September 2023 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
The patent filed is for an air filtration system
A recently filed patent (Publication Number: US20230311063A1) describes an air filtration system that aims to remove volatile organic compounds (VOCs) from the air. The system consists of a photocatalytic reactor, a first air filter, and a second air filter.
The photocatalytic reactor includes a photocatalyst composition and a lamp that irradiates the composition. This composition is designed to decompose VOCs in the air passing through the reactor into other products. The first air filter is positioned upstream of the reactor and filters compounds from the air. The second air filter is located downstream of the reactor and filters the products generated by the photocatalytic reaction.
The air flows from an inlet to an outlet through the first air filter, the photocatalytic reactor, and the second air filter in that order. This ensures that the air is effectively filtered before and after the photocatalytic reaction takes place.
The first air filter specifically targets compounds that can deactivate the photocatalyst composition, such as inorganic compounds and silicon compounds. By removing these deactivating compounds, the efficiency and effectiveness of the photocatalytic reaction are maintained.
Additionally, the system may include a third air filter to filter solid particulates from the air flowing from the photocatalytic reactor. A fourth air filter may also be included to filter solid particulates discharged from the second air filter.
The entire system is housed within a housing that forms a flow path for the air, directing it through the first air filter, the photocatalytic reactor, and the second air filter.
The photocatalytic reactor can effectively decompose VOCs like isopropyl alcohol. It may include an agitable bed of the photocatalyst composition, which can be either a fluidized bed or a fixed bed. If a fixed bed is used, the reactor includes a means of mechanically agitating the bed to enhance the reaction.
In summary, this patent describes an air filtration system that utilizes a photocatalytic reactor and multiple air filters to remove VOCs from the air. The system is designed to filter out deactivating compounds, maintain the efficiency of the photocatalytic reaction, and effectively remove solid particulates. The system can be used to decompose VOCs like isopropyl alcohol and can be configured with either a fluidized bed or a fixed bed in the photocatalytic reactor.
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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.
