US Patent 7576022 Aluminum-and magnesium-based molten ceramic grains

Patent 7576022 was granted and assigned to Saint-Gobain on August, 2009 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Saint-Gobain

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

75760220

Patent Inventor Names

Samuel Marlin0

Date of Patent

August 18, 2009

Patent Application Number

105534380

Date Filed

April 15, 2004

Patent Primary Examiner

‌

Karl E Group

Patent abstract

Molten ceramic grains are intended, for example, for applications involving abrading tools, having the following average chemical weight composition, expressed in weight percent based on oxide content: Al2O3: 93% to 97.5%; MgO: 2.2 to 6.5%; SiO2: <0.1%; other impurities: <0.4%.

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