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:
Dec. 18, 2018
Filed:
Feb. 13, 2015
3m Innovative Properties Company, St. Paul, MN (US);
Larry D. Monroe, Maplewood, MN (US);
Grant E. Greske, Hudson, WI (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Abrasive particles include: 0.50 to 5.00 weight percent of seed particles for alpha-alumina formation selected from the group consisting of alpha-FeOseed particles, alpha-AlOseed particles, and combinations thereof; 0.50 to 5.00 weight percent of MgO; 0.02 to 0.40 weight percent of LiO or a molar equivalent amount of at least one alkali metal oxide selected from the group consisting of: NaO; KO; combinations of NaO and LiO; combinations of KO and LiO; combinations of NaO and KO; and combinations of LiO, NaO, and KO; and 91.08 to 99.48 weight percent of AlO. Methods of making the abrasive particles and abrasive articles incorporating them are also disclosed.