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:
Apr. 15, 1980
Filed:
Mar. 22, 1979
Applicant:
Inventors:
Nathan M Levine, Louisville, KY (US);
Walter Von Drathen, Louisville, KY (US);
Assignee:
Celanese Polymer Specialties Company, Louisville, KY (US);
Primary Examiner:
Int. Cl.
CPC ...
B03D / ;
U.S. Cl.
CPC ...
209-5 ; 209166 ;
Abstract
An improved process for desliming potash ore, which involves treating pulped potash ore with a polygalactomannan gum flocculant and then with a polyamine collector. The treated potash ore is subjected to froth flotation to float off the siliceous gangue.