Title of Invention

METHOD FOR REMOVAL OF SILVER FROM A COPPER CHLORIDE SOLUTION

Abstract The invention relates to a method for removing silver from a chloride solution in a copper recovery process. According to this method, silver is removed using fine-grained copper powder and mercury. Silver removal occurs in at least two stages and mercury is fed into the solution at a certain molar ratio with regard to the silver in the solution.
Full Text

Documents:

142-mumnp-2005-abstract(17-2-2005).pdf

142-MUMNP-2005-ABSTRACT(7-10-2008).pdf

142-mumnp-2005-abstract(granted)-(17-6-2009).pdf

142-MUMNP-2005-ANNEXURE TO FORM 3(7-10-2008).pdf

142-MUMNP-2005-CANCELLED PAGES(7-10-2008).pdf

142-MUMNP-2005-CLAIMS(7-10-2008).pdf

142-mumnp-2005-claims(complete)-(17-2-2005).pdf

142-mumnp-2005-claims(granted)-(17-6-2009).pdf

142-mumnp-2005-correspondence(11-11-2005).pdf

142-MUMNP-2005-CORRESPONDENCE(7-10-2008).pdf

142-mumnp-2005-correspondence(ipo)-(1-7-2009).pdf

142-mumnp-2005-description(complete)-(17-2-2005).pdf

142-MUMNP-2005-DESCRIPTION(COMPLETE)-(7-10-2008).pdf

142-mumnp-2005-description(granted)-(17-6-2009).pdf

142-mumnp-2005-drawing(17-2-2005).pdf

142-MUMNP-2005-DRAWING(7-10-2008).pdf

142-mumnp-2005-drawing(granted)-(17-6-2009).pdf

142-MUMNP-2005-FORM 1(17-02-2005).pdf

142-mumnp-2005-form 18(17-2-2005).pdf

142-mumnp-2005-form 2(7-10-2008).pdf

142-mumnp-2005-form 2(complete)-(17-2-2005).pdf

142-mumnp-2005-form 2(granted)-(17-6-2009).pdf

142-MUMNP-2005-FORM 2(TITLE PAGE)-(7-10-2008).pdf

142-mumnp-2005-form 2(title page)-(complete)-(17-2-2005).pdf

142-mumnp-2005-form 2(title page)-(granted)-(17-6-2009).pdf

142-mumnp-2005-form 26(17-2-2005).pdf

142-mumnp-2005-form 3(17-2-2005).pdf

142-mumnp-2005-form 5(17-2-2005).pdf

142-mumnp-2005-petition under rule 137(14-11-2005).pdf

142-mumnp-2005-specification(amended)-(7-10-2008).pdf

142-mumnp-2005-wo international publication report(17-2-2005).pdf


Patent Number 234840
Indian Patent Application Number 142/MUMNP/2005
PG Journal Number 28/2009
Publication Date 10-Jul-2009
Grant Date 17-Jun-2009
Date of Filing 17-Feb-2005
Name of Patentee OUTOKUMPU OYJ
Applicant Address Riihitontuntie 7, Fi-02200 Espoo,
Inventors:
# Inventor's Name Inventor's Address
1 HYVARINEN, Olli Sunoiityntie 18, FIN-28220 Pori,
2 JYRALA, Marika Asemapaallikonkatu 2 as 28, FIN-28100 Pori,
PCT International Classification Number C22B11/00
PCT International Application Number PCT/FI03/00707
PCT International Filing date 2003-09-30
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 20021813 2002-10-11 Finland