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. 14, 2014
Filed:
Sep. 23, 2011
Applicant:
Robert Frushour, Ann Arbor, MI (US);
Inventor:
Robert Frushour, Ann Arbor, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 3/06 (2006.01); B22F 3/14 (2006.01); B24D 18/00 (2006.01);
U.S. Cl.
CPC ...
B01J 3/062 (2013.01); B01J 2203/0655 (2013.01); B01J 2203/0685 (2013.01); B01J 2203/062 (2013.01);
Abstract
A method for making a PDC cutting element for use in rock drilling containing sub-micron size diamond particles within the diamond body. Metals that do not readily dissolve carbon are employed to limit the dissolution and re-precipitation of fine diamond during the sintering of the diamond to the substrate.