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:
Feb. 26, 2019
Filed:
Aug. 11, 2006
Applicants:
Anine Hester Ras, Johannesburg, ZA;
Geoffrey John Davies, Randburg, ZA;
Inventors:
Anine Hester Ras, Johannesburg, ZA;
Geoffrey John Davies, Randburg, ZA;
Assignee:
Element Six Abrasives SA, Luxembourg, LU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24D 3/06 (2006.01); B24D 3/10 (2006.01);
U.S. Cl.
CPC ...
B24D 3/10 (2013.01); B24D 3/06 (2013.01);
Abstract
Polycrystalline diamond abrasive elements made by incorporating low levels of at least one metal boride, the metal being selected from magnesium, calcium, aluminum, strontium, yttrium, zirconium, hafnium and chromium, and the rare earth metals, particularly cerium and lanthanum. The benefits of adding boron to polycrystalline diamond abrasive compacts are exploited together with simultaneously minimizing or eliminating the detrimental effects of the presence of oxygen.