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:
Jun. 17, 2008
Filed:
Jul. 08, 2005
Applicants:
Steve Canova, Gray, GA (US);
Thomas C. Palamara, Eufaula, AL (US);
Jimmy C. Wood, Eufaula, AL (US);
Inventors:
Assignee:
CARBO Ceramics Inc., Irving, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods for producing solid, substantially round, spherical and sintered particles from a slurry of a calcined, uncalcined or partially calcined raw material having an alumina content of greater than about 40 weight percent. The slurry is processed with spray drying methods into solid, substantially round, spherical and sintered particles having an average particle size greater than about 200 microns, a bulk density of greater than about 1.40 g/cc, and an apparent specific gravity of greater than about 2.60.