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.:

US 7678723 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 16, 2010

Filed:

May. 19, 2008
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);
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.


Find Patent Forward Citations

Duenckel, Robert. (2010). Sintered spherical pellets (U.S. Patent No. 7678723). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7678723

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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