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:
Mar. 31, 2026
Filed:
Jun. 23, 2021
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Aaron K. Nienaber, Lake Elmo, MN (US);
Joseph B. Eckel, Vadnais Heights, MN (US);
Ronald D. Jesme, Plymouth, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
B24D 11/00 (2006.01); B24D 3/06 (2006.01); B24D 3/28 (2006.01); B24D 11/02 (2006.01);
U.S. Cl.
CPC ...
B24D 11/001 (2013.01); B24D 3/06 (2013.01); B24D 3/28 (2013.01); B24D 11/02 (2013.01);
Abstract
Coated abrasive articles comprises a backing having a major surface with an abrasive layer disposed thereon. The abrasive layer has an outer major surface comprising ridges separated by valleys, wherein the abrasive layer comprises magnetizable particles and abrasive particles in a binder. Each of the ridges is irregularly shaped and is oriented along at least a portion of its length substantially parallel to adjacent ridges. Methods of making the same involving a modulated magnetic field are also disclosed.