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:
Jul. 05, 1977
Filed:
Apr. 26, 1976
Applicant:
Inventors:
Kent W Loest, Broomfield, CO (US);
John T Schaefer, Boulder, CO (US);
Assignees:
Southwire Company, Carrollton, GA (US);
National Steel Corporation, Pittsburgh, PA (US);
Earth Sciences, Inc., Golden, CO (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C01B / ; C01B / ;
U.S. Cl.
CPC ...
2041 / ; 423120 ; 423127 ;
Abstract
A continuous process for the production by electrodialysis of monobasic potassium phosphate from phosphoric acid produced by the wet process and potassium sulfate produced as a by-product in processes for the recovery of aluminum from alunite.