Application No. / Patent No.: 200 710 188 458
The invention provides a target to improve the flotation of copper ore flotation agents and their preparation methods, the

formula content of the composition of: 0 ~ 50% (wt) ethanol 1; 50 ~ 100% (wt)-N-nitrile ester 1. Including ethanol, acrylic

ester-N-industrial. The preparation method is described in pharmaceutical formulations in accordance with the above-mentioned

content, the ethanol added to the acrylic ester solution of sulfur and nitrogen, stirring 10 to 30 minutes, the preparation

of the drug directly added to the election operations of copper ore can be rough. Method of this invention and adjust the

dose used in flotation process has the obvious advantage of technical indicators and economic and environmental benefits.
Application Date: December 3, 2007
Open Date: July 16, 2008
Authorized the announcement date:
The applicant / patentee: Western Mining Corporation; Qinghai Western Mining Technology Co., Ltd.
Applicant Address: Xining, Qinghai 54 Avenue 52
Inventor Design by: Xiao Yun; ZHANG Yong; Guo Guangyuan
Patent Agent: Qinghai Patent Service
Agent: All Hongyi
Patent Type: Patent
CLC: B03D1/012; B03D101/02; B03D103/04