Microwave sintering of sol-gel derived abrasive grain

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United States of America Patent

PATENT NO 5653775
SERIAL NO

08592763

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Abstract

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A method is provided for making microwave-sintered, free flowing alpha alumina-based ceramic abrasive grain, under conditions effective to couple microwaves with calcined alpha alumina-based abrasive gain precursor and sinter it at a temperature of at least about 1150.degree. C.

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Patent Owner(s)

Patent OwnerAddress
MINNESOTA MINING AND MANUFACTURING COMPANYP O BOX 33427 ST PAUL MN 55133

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blake, Rodger D Tuscon, AZ 12 206
Celikkaya, Ahmet Woodbury, MN 37 2092
Plovnick, Ross St. Louis Park, MN 1 51

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