Abrasive particles, method of making abrasive particles, and abrasive articles

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United States of America Patent

PATENT NO 11905451
APP PUB NO 20230265326A1
SERIAL NO

18131893

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Abstract

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Shaped ceramic abrasive particles include a first surface having a perimeter having a perimeter comprising at least first and second edges. A first region of the perimeter includes the second edge and extends inwardly and terminates at two corners defining first and second acute interior angles. The perimeter has at most four corners that define acute interior angles. A second surface is disposed opposite, and not contacting, the first surface. A peripheral surface is disposed between and connects the first and second surfaces. The peripheral surface has a first predetermined shape. Methods of making the shaped ceramic abrasive particles, and abrasive articles including them are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYST PAUL MN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adefris, Negus B St. Paul, US 65 2982

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