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:
Dec. 05, 1978
Filed:
Aug. 08, 1977
Applicant:
Inventors:
Kenneth D MacKay, Circle Pines, MN (US);
Edgar R Rogier, Minnetonka, MN (US);
Assignee:
General Mills Chemicals, Inc., Minneapolis, MN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
252184 ; 252182 ; 2603 / ; 26050115 ; 2605 / ; 2605 / ; 2605 / ; 2605 / ; 546134 ; 546181 ;
Abstract
Process of extracting metals using organic solvent solutions of salts of hydrogen ion exchange agents and quaternary ammonium compounds. Organic solvent solutions of such quaternary ammonium salts of hydrogen ion exchange agents.