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. 30, 1987
Filed:
Jan. 30, 1986
Applicant:
Inventors:
Bruce E Leach, Ponca City, OK (US);
Lewis B Decker, Jr, Ponca City, OK (US);
Assignee:
Vista Chemical Company, Ponca City, OK (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01F / ;
U.S. Cl.
CPC ...
2523131 ; 423630 ;
Abstract
A process of producing a water dispersible alumina comprising forming an aqueous alumina slurry, acidifying the slurry to a pH range of from about 5 to about 8, aging the acidified slurry at elevated temperatures and for a sufficient amount of time to convert the greater portion of the alumina to a colloidal sol, recovering the sol and drying the sol to produce a highly water dispersible alumina.