The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 27, 2021
Filed:
Sep. 27, 2017
3m Innovative Properties Company, St. Paul, MN (US);
Thomas J. Nelson, St. Paul, MN (US);
Joseph B. Eckel, Vadnais Heights, MN (US);
Aaron K. Nienaber, Maplewood, MN (US);
Jaime A. Martinez, Woodbury, MN (US);
Eli A. Davis, Royal Oak, MI (US);
Louis S. Moren, Mahtomedi, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A magnetizable abrasive particle comprises a ceramic body having an outer surface and a magnetizable layer disposed on a portion, but not the entirety, of the outer surface. The ceramic body comprises a platelet having two opposed major facets connected to each other by a plurality of side facets. The magnetizable layer completely covers one of the two opposed major facets, and the magnetizable layer has a magnetic dipole oriented perpendicular or parallel to the facet which it completely covers. A plurality of the magnetizable abrasive particles, and abrasive articles including them are also disclosed. Methods of making the foregoing are also disclosed.