Global Patent Index - EP 3648891 A1

EP 3648891 A1 20200513 - PROCESS TO TREAT SILICEOUS NON-SULFIDIC ORES AND COLLECTOR COMPOSITION THEREFOR

Title (en)

PROCESS TO TREAT SILICEOUS NON-SULFIDIC ORES AND COLLECTOR COMPOSITION THEREFOR

Title (de)

VERFAHREN ZUR BEHANDLUNG VON KIESELIGEN NICHTSCHWEFELIGEN ERZEN UND SAMMELZUSAMMENSETZUNG DAFÜR

Title (fr)

PROCÉDÉ DE TRAITEMENT DE MINERAIS SILICEUX NON SULFURÉS ET COMPOSITION DE COLLECTEUR ASSOCIÉE

Publication

EP 3648891 A1 20200513 (EN)

Application

EP 18732097 A 20180622

Priority

  • EP 17179626 A 20170704
  • EP 2018066793 W 20180622

Abstract (en)

[origin: WO2019007714A1] The present invention relates to a process to treat siliceous non-sulfidic ores with a collector composition that comprises a phosphate compound of the formula (I) wherein R is linear or branched, saturated or unsaturated hydrocarbon group containing 1 to 24 carbon atoms that, A is an alkylene oxide unit; Y is H, Na, K or an ammonium or alkylated ammonium, n is 1 - 3, p is 0 - 25, X is chosen from the same groups as R-Ap- or Y, to a collector composition containing the phosphate compound of the formula I as a primary collector in combination with a secondary collector and to a pulp composition containing the phosphate compound of the formula (I).

IPC 8 full level

B03D 1/014 (2006.01); C22B 3/00 (2006.01)

CPC (source: EP RU)

B03D 1/014 (2013.01 - EP RU); C22B 3/00 (2013.01 - RU); B03D 2201/02 (2013.01 - EP); B03D 2203/06 (2013.01 - EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2019007714 A1 20190110; BR 112019027877 A2 20200707; BR 112019027877 B1 20230321; CA 3068885 A1 20190110; CA 3068885 C 20240319; EP 3648891 A1 20200513; EP 3648891 B1 20210901; RU 2741494 C1 20210126

DOCDB simple family (application)

EP 2018066793 W 20180622; BR 112019027877 A 20180622; CA 3068885 A 20180622; EP 18732097 A 20180622; RU 2020104700 A 20180622