Esterified dicarboxylic acid and its use

Details Esterified dicarboxylic acid and its use Esterified dicarboxylic acid and its use

C - Chemistry, Metallurgy

22

B

260/124, 361/26

C22B 3/00 (2006.01) B03D 1/008 (2006.01) B03D 1/02 (2006.01)

Patent

CA 1200546

ESTERIFIED DICARBOXYLIC ACID AND ITS USE Abstract The present invention specifies an esterified dicarboxylic acid of the general formula Image in which RI is an aliphatic hydrocarbon group with 7 - 21 carbon atoms, RII is a hydrocarbon radical with 2 - 6 carbon atoms and A is an alkylene oxide group derived from an alkylene oxide with 2 - 4 carbon atoms. Particularly preferred are compounds in which A relates to a group derived from ethylene oxide and in which RII is -CH=CH- or the phenylene group -C6H4- . The compound exhibits selective properties when used in the flotation of oxide and salt type minerals.

403025

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