3m Innovative Properties Company

Jon T Schwartz

Scott R Culler

Thomas J Nelson

Negus B Adefris

Ernest L Thurber

Brian G Koethe

Ann M Hawkins

Junting Li

Gregory P Sorenson

Geoffrey I Wilson

Jing Zhang

Daniel M Lentz

Robinette S Alkhas

Chainika Jangu

Ronald D Apple

Gregory S Mueller

Laura M Lara Rodriguez

Various embodiments disclosed relate to an abrasive article (). The abrasive article (includes a backing () defining a major surface. The abrasive article () includes an abrasive layer including a plurality of tetrahedral abrasive particles () attached to the backing (). The tetrahedral abrasive particles () include four faces joined by six edges terminating at four vertices (). Each one of the four faces contacts three of the four faces, and a major portion of the tetrahedral abrasive particles () have at least one of the vertices () oriented in substantially a same direction.

Tetrahedral abrasive particles in abrasive articles

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Saint Paul, MN, United States of America

Jon T Schwartz