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:
Oct. 18, 2011
Filed:
Jul. 13, 2007
Joseph G Pribyl, Forest Lake, MN (US);
Karunasena Alahapperuma, Woodbury, MN (US);
Craig F. Lamphere, Woodbury, MN (US);
Edward J. Woo, Woodbury, MN (US);
Joseph G Pribyl, Forest Lake, MN (US);
Karunasena Alahapperuma, Woodbury, MN (US);
Craig F. Lamphere, Woodbury, MN (US);
Edward J. Woo, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A structured abrasive article comprises a backing with a topographically structured abrasive layer secured thereto. The topographically structured abrasive layer comprises precisely-shaped abrasive composites. A solid overlayer comprising eroding particles with a Mohs scale hardness of at least 4 and a water-soluble polymer is disposed on at least a portion of the topographically structured abrasive layer. Methods of making and using the structured abrasive articles are also disclosed.