Production tool to make abrasive particles with grooves

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United States of America Patent

PATENT NO 9938439
SERIAL NO

14270741

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Abstract

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Abrasive particles comprising shaped abrasive particles each having a sidewall, each of the shaped abrasive particles comprising alpha alumina and having a first face and a second face separated by a sidewall and having a maximum thickness, T; and the shaped abrasive particles further comprising a plurality of grooves on the second face.

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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 Woodbury, US 67 3345
Boden, John T White Bear Lake, US 41 2672
Culler, Scott R Burnsville, US 91 5808
Erickson, Dwight D Woodbury, US 53 2975
Haas, John D Roseville, US 28 2776

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