US Patent 11181159 Friction material
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Patent abstract
A friction material, such as those belonging to the NAO or LS classes. The friction material is substantially free from copper and includes non-spherical particles in the form of powders and/or fibres each constituted by a preferably ferrous metallic core and by an at least partial coating of core formed at least partially or totally by tin and/or tin compounds, such as intermetallic Fe—Sn compounds.
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Patent Inventor Names
Agustin Sin Xicola0
Anna Maria Canuti0
Paolo Galimberti0
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Official Website
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US Patent 11181159 Friction material
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Is a
Patent jurisdiction
Patent number
11181159
Date of patent
November 23, 2021
Patent application number
16412013
Date Filed
May 14, 2019
Patent primary examiner
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