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. 26, 1978
Filed:
Dec. 14, 1977
Applicant:
Inventors:
Larry L Bendig, Ponca City, OK (US);
Cathy S Siemsen, Ponca City, OK (US);
Donald E Stowell, Ponca City, OK (US);
Assignee:
Continental Oil Company, Ponca City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
252448 ; 252463 ; 423626 ;
Abstract
Alumina spheres are formed by peptizing alumina slurries, centrifugates, and filtercakes, aging and dropping the peptized material through a hydrocarbon filled column. The improved method avoids the drying and reslurrying of alumina powders currently used and provides a method whereby harmful ions such as chloride and sulfates can be excluded from the alumina.