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:
May. 27, 2014
Filed:
Dec. 30, 2010
Applicants:
Ion C. Benea, Wheeling, IL (US);
Benjamin Rosczyk, Elk Grove Village, IL (US);
Laura Fitzgerald, Palatine, IL (US);
Inventors:
Ion C. Benea, Wheeling, IL (US);
Benjamin Rosczyk, Elk Grove Village, IL (US);
Laura Fitzgerald, Palatine, IL (US);
Assignee:
Engis Corporation, Wheeling, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 31/06 (2006.01); C09K 3/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method is provided of etching a diamond particle including the step of heating the particle at a temperature of about 700° C. or greater in the presence of water vapor to form an etched particle. Also provided is an etched particle having a core and a surface. The core is formed of sp3 hybridized carbon atoms covalently bonded together, and the surface has substantially no chlorine atoms, oxygen atoms or oxygen species.