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. 03, 1986
Filed:
Feb. 22, 1982
Applicant:
Inventors:
Edwin J Bielecki, Boyertown, PA (US);
C Edward Mosheim, Hereford Township, Berks County, PA (US);
Umedray L Sheth, Mobile, AL (US);
Assignee:
Cabot Corporation, Boston, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423472 ; 75 84 ; 423 65 ; 423 66 ;
Abstract
A process for the recovery of columbium values from a columbium-containing aqueous hydrofluoric acid solution. The columbium-containing solution is heated, with agitation, to cause evaporation and hydrolysis, resulting in the formation of a slurry from which columbium oxyfluoride can be separated and recovered.