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:
Aug. 17, 1976
Filed:
Aug. 18, 1975
Applicant:
Inventors:
William C Ziegenhain, Ponca City, OK (US);
Bruce E Leach, Ponca City, OK (US);
Dean O Coleman, Ponca City, OK (US);
Assignee:
Continental Oil Company, Ponca City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F / ; B01D / ;
U.S. Cl.
CPC ...
159 / ; 423625 ; 423628 ; 2329 / ; 2330 / ;
Abstract
A method for producing concentrated alumina slurries containing from about 14 to about 20 weight percent Al.sub.2 O.sub.3 by forming a solvent-aqueous alumina mixture and evaporating solent-aqueous vapor from said mixture to produce said concentrated alumina slurries.