EP 0378128 A3 19911009 - METHOD FOR THE SELECTIVE FLOTATION OF PHOSPHATE ORES
Title (en)
METHOD FOR THE SELECTIVE FLOTATION OF PHOSPHATE ORES
Publication
Application
Priority
DE 3900827 A 19890113
Abstract (en)
[origin: CA2007637A1] HOE 89/F 006 of the disclosure Process for selective flotation of phosphorus minerals. A process for selective flotation of phosphate minerals, wherein a compound of the formula 1a or 1b (1a) or (1b) in which R1 is branched or unbranched C8-C24-alkenyl, R2 is branched or unbranched C1-C4-alkyl and M is hydrogen, ammonium, triethanolammonium, an alkali metal atom or an alkaline earth metal atom, is added as a collecting agent to the flotation suspension.
IPC 1-7
IPC 8 full level
B03D 1/008 (2006.01)
CPC (source: EP US)
B03D 1/008 (2013.01 - EP US); B03D 1/01 (2013.01 - EP US); B03D 2201/02 (2013.01 - EP US); B03D 2201/04 (2013.01 - EP US); B03D 2201/06 (2013.01 - EP US); B03D 2203/06 (2013.01 - EP US); Y10S 209/902 (2013.01 - EP US)
Citation (search report)
- [AD] SOVIET INVENTIONS ILLUSTRATED Woche 8447 , 9 Januar 1985 Derwent Publications Ltd. ,London GB
- [AD] CHEMICAL ABSTRACTS, vol. 106, no. 14, 6. April 1987, Columbus, Ohio, US; abstract no. 104652N, A.BREDERMAN 'Alkyl[alkenyl]succinic acid alkyl monoesters effective collectors for flotation of apatite ' Seite 141 ;
Designated contracting state (EPC)
DE FR GB SE
DOCDB simple family (publication)
EP 0378128 A2 19900718; EP 0378128 A3 19911009; EP 0378128 B1 19931110; BR 9000109 A 19901023; CA 2007637 A1 19900713; DE 3900827 A1 19900719; FI 89877 B 19930831; FI 89877 C 19931210; FI 900149 A0 19900111; FI 900149 A 19900714; RU 1795911 C 19930215; US 4968415 A 19901106; ZA 90229 B 19900926; ZW 490 A1 19900725
DOCDB simple family (application)
EP 90100215 A 19900105; BR 9000109 A 19900112; CA 2007637 A 19900112; DE 3900827 A 19890113; FI 900149 A 19900111; SU 4742822 A 19900112; US 46283490 A 19900110; ZA 90229 A 19900112; ZW 490 A 19900112