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:
Nov. 14, 2017
Filed:
Feb. 04, 2016
Applicant:
Center for Abrasives and Refractories Research and Development C.a.r.r.d. Gmbh, Villach-St. Magdalen, AT;
Inventors:
Jean-Andre Alary, L'Isle sur la Sorgue, FR;
Alexander Hirsch, Villach, AT;
Assignee:
Center for Abrasives and Refractories Research and Development C.A.R.R.D. GmbH, Villach-St. Magdalen, AT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24D 3/02 (2006.01); C09C 1/68 (2006.01); C09K 3/14 (2006.01); C04B 35/488 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
C09K 3/1409 (2013.01); C04B 35/4885 (2013.01); C04B 2111/00129 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3232 (2013.01); C04B 2235/6021 (2013.01);
Abstract
The present invention relates to sintered shaped abrasive grains on basis of aluminum oxide. Sintered shaped abrasive grains consistent with the disclosure include mineralogical phases made of mullite, tialite and/or armalcolite, and baddeleyite and/or srilankite. Methods for producing sintered shaped abrasive grains using alumina, ilmenite and zircon sand as raw materials are also provided.