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. 26, 1977
Filed:
Oct. 25, 1974
Applicant:
Inventors:
Kenneth D MacKay, Circle Pines, MN (US);
Edgar R Rogier, Hopkins, MN (US);
Assignee:
General Mills Chemicals, Inc., Minneapolis, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ; 2605 / ; 260575 ; 260645 ; 423 24 ; 423139 ; 4236585 ;
Abstract
Benzoxazoles having the structure ##STR1## where R is hydrogen or an alkyl group having from 1 to 20 carbon atoms, R' is hydrogen, chlorine or an alkyl group containing from 1 to 20 carbon atoms, X is H or Chlorine and the total number of carbon atoms in R and R' is 6 to 40 with the proviso that one of R and R' must be an alkyl group of at least 6 carbon atoms. The benzoxazoles are useful in a process of recovering metal values, particularly copper and nickel, from aqueous solutions thereof.