Magnetizable abrasive particles and abrasive articles including them
US11072732B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2017 |
| Grant date | Jul 27, 2021 |
| Priority date | — |
| Expiry date | Jan 21, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F1/0302
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.