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:
Sep. 17, 2013
Filed:
Jan. 24, 2012
Applicants:
Jiinjen Albert Sue, The Woodlands, TX (US);
Harold Sreshta, Conroe, TX (US);
Rajagopala Pillai, Pasadena, TX (US);
Inventors:
Jiinjen Albert Sue, The Woodlands, TX (US);
Harold Sreshta, Conroe, TX (US);
Rajagopala Pillai, Pasadena, TX (US);
Assignee:
Reedhycalog, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 1/05 (2006.01); C04B 35/56 (2006.01); C23C 4/06 (2006.01); E21B 10/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hardmetal composition comprises tungsten carbide in an amount greater than 50 weight percent of the hardmetal composition. In addition, the hardmetal composition comprises a binder material consisting of at least 90 weight percent nickel, a binder flux between 3.5 to 10.0 weight percent chosen from the group consisting of boron and silicon, and less than 1.0 weight percent other components.