Grinding material

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11819978
APP PUB NO 20200298374A1
SERIAL NO

16088083

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A grinding material includes a base sheet and a grinding layer overlaid on a front face side of the base sheet and including abrasive grains and a binder for the abrasive grains. The grinding layer includes the abrasive grains of a plurality of types. Of the abrasive grains of the plurality of types, provided that first abrasive grains have the largest average diameter and second abrasive grains have the second largest average diameter, the percentage of the average diameter of the second abrasive grains with respect to that of the first abrasive grains is 5-70%. The total content of the abrasive grains in the grinding layer is preferably 50-85% by volume. The content of the first abrasive grains in the grinding layer is preferably 1-25% by volume. The first abrasive grains are preferably diamond abrasive grains and the second abrasive grains are preferably alumina abrasive grains.

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Patent Owner(s)

Patent OwnerAddress
BANDO CHEMICAL INDUSTRIES LTDKOBE-SHI HYOGO 650-0047

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iwanaga, Tomoki Kobe, JP 7 23
Saito, Kazuo Kobe, JP 228 2900
Takagi, Daisuke Kobe, JP 74 754
Taura, Toshikazu Kobe, JP 7 4

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