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:
Jan. 16, 1990
Filed:
Aug. 15, 1988
Applicant:
Inventors:
Jan D Miller, Salt Lake City, UT (US);
Spiro D Alexandratos, Knoxville, TN (US);
Assignee:
University of Utah, Salt Lake City, UT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524413 ; 524547 ; 5253333 ; 525340 ; 7511 / ;
Abstract
An extraction composition useful for extracting gold or silver values from aqueous systems containing gold or silver cyanide anions. Useful extractions include organic oxides of phosphrous and sulfur attached to an inert resinous substrate.