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:
Oct. 16, 2012
Filed:
Dec. 22, 2005
Applicants:
Hans-peter Seelmann-eggebert, Limburgerhod, DE;
Guenter Oetter, Frankenthal, DE;
Arturo Berastain, Lima, PE;
Cesar Ostos Rios, Lima, PE;
Inventors:
Hans-Peter Seelmann-Eggebert, Limburgerhod, DE;
Guenter Oetter, Frankenthal, DE;
Arturo Berastain, Lima, PE;
Cesar Ostos Rios, Lima, PE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 21/082 (2006.01); C01B 31/00 (2006.01); C07C 31/02 (2006.01); C07C 31/125 (2006.01); C07C 381/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A composition for cyanide leaching which comprises at least one nonionic surfactant and a process for extracting metals using the abovementioned composition are described.