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. 02, 2010
Filed:
Jan. 25, 2010
Applicants:
Robert Duenckel, Southlake, TX (US);
Mark Edmunds, Southlake, TX (US);
Steve Canova, Gray, GA (US);
Benjamin Eldred, Lafayette, LA (US);
Brett Allen Wilson, Lafayette, LA (US);
Inventors:
Robert Duenckel, Southlake, TX (US);
Mark Edmunds, Southlake, TX (US);
Steve Canova, Gray, GA (US);
Benjamin Eldred, Lafayette, LA (US);
Brett Allen Wilson, Lafayette, LA (US);
Assignee:
Carbo Ceramics Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/18 (2006.01); C04B 35/10 (2006.01); E21B 43/267 (2006.01); C09K 8/80 (2006.01);
U.S. Cl.
CPC ...
Abstract
Sintered, spherical composite pellets or particles comprising alumina fines, at least one of clay and bauxite and optionally a sintering aid, are described, along with a process for their manufacture. The use of such pellets in hydraulic fracturing of subterranean formations and in grinding is also described.