High performance abrasive articles containing abrasive grains and nonabrasive composite grains

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United States of America Patent

PATENT NO 5840090
SERIAL NO

08929556

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Abstract

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A coated abrasive article comprised of a backing having a layer of grains adherently bonded thereto by a binding material, wherein the layer of grains comprises abrasive grains and nonabrasive composite grains, and the nonabrasive composite grains comprise inorganic nonabrasive particles bonded together by a binder selected from the group consisting of a metal salt of fatty acid, colloidal silica, and combinations thereof. The abrasive article has an unexpected abrading efficiency, performing equal to, or superior to, a coated abrasive article containing only abrasive grains. The invention also relates to a bonded abrasive article comprising the abrasive grains and nonabrasive composite grains adhered together.

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Patent Owner(s)

Patent OwnerAddress
MINNESOTA MINING AND MANUFACTURINGST PAUL MN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harmer, Walter L Arden Hills, MN 15 896
Ho, Kwok-Lun Woodbury, MN 7 583

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