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:
May. 24, 1988
Filed:
Oct. 09, 1986
Applicant:
Inventors:
David A Barclay, Ponca City, OK (US);
Daniel T Plummer, Houston, TX (US);
Assignee:
Vista Chemical Company, Houston, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01F / ;
U.S. Cl.
CPC ...
423630 ; 423129 ; 423625 ; 423626 ; 423627 ; 75 6 / ;
Abstract
A process for treating dry, particulate alumina for use in preparing alumina slurries which are resistant to gellation in which the particulate alumina is contacted with a carbon dioxide rich gaseous medium for a suitable time.