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:
Apr. 16, 2002
Filed:
Sep. 18, 2001
Applicant:
Inventors:
Robert Youngman, Phoenix, AZ (US);
Patrick R. Okell, Bellaire, TX (US);
Syed Akbar, Pearland, TX (US);
Assignee:
Fairmount Minerals, LTD, Chardon, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
C04B 3/518 ;
U.S. Cl.
CPC ...
C04B 3/518 ;
Abstract
An aluminosilicate ceramic, spherical pellet made from spent ceramic catalyst. More specifically, a spherical ceramic pellet made from spent fluid cracking catalyst. The pellets can be made by grinding the catalyst particles, forming them into spherical pellets, and then sintering the pellets. The final product is useful as a proppant in oil and gas well fracturing.