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. 20, 1983
Filed:
Dec. 17, 1981
Applicant:
Inventors:
J Paul Deininger, Cleveland, TN (US);
Ronald L Dotson, Cleveland, TN (US);
Assignee:
Olin Corporation, New Haven, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
423150 ; 423179 ; 423275 ; 423594 ;
Abstract
Disclosed is a process for making potassium ferrate (K.sub.2 FeO.sub.4) by reacting substantially pure KOH, C1.sub.2, and a ferric salt in the presence of a stabilizing proportion of at least one ferrate-stabilizing compound (e.g., a combination of an alkali metal silicate and an alkali metal iodine-containing salt). The formed K.sub.2 FeO.sub.4 is separated and recovered from other reaction co-products [KCl, H.sub.2 O, KOCl, and Fe(OH).sub.3 ] and excess KOH. Other specific improvements include the following: