EP 0270018 B1 19920617 - USE OF N-ALKYL AND N-ALKENYL-ASPARTIC ACIDS AS CO-COLLECTORS FOR THE FLOTATION OF NON-SULFIDIC MINERALS
Title (en)
USE OF N-ALKYL AND N-ALKENYL-ASPARTIC ACIDS AS CO-COLLECTORS FOR THE FLOTATION OF NON-SULFIDIC MINERALS
Publication
Application
Priority
DE 3641579 A 19861205
Abstract (en)
[origin: US4790932A] Use of N-alkyl and/or N-alkenyl aspartic acids or salts thereof as co-collectors in the flotation of non-sulfidic ores and a process for the separation of non-sulfidic ores by flotation wherein N-alkyl and/or N-alkenyl aspartic acids or salts thereof are used in collector mixtures.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
B03D 1/008 (2013.01 - EP US); B03D 1/01 (2013.01 - EP US); B03D 1/012 (2013.01 - EP US); B03D 2201/02 (2013.01 - EP US); B03D 2203/04 (2013.01 - EP US)
Designated contracting state (EPC)
AT DE ES FR GB SE
DOCDB simple family (publication)
EP 0270018 A2 19880608; EP 0270018 A3 19900418; EP 0270018 B1 19920617; AT E77262 T1 19920715; AU 601244 B2 19900906; AU 8210987 A 19880609; BR 8706570 A 19880712; CA 1320769 C 19930727; CN 1011296 B 19910123; CN 87107280 A 19880615; DE 3641579 A1 19880616; DE 3779878 D1 19920723; ES 2031869 T3 19930101; FI 84321 B 19910815; FI 84321 C 19911125; FI 875336 A0 19871203; FI 875336 A 19880606; MX 169159 B 19930623; PT 86278 A 19880101; PT 86278 B 19901107; US 4790932 A 19881213; ZA 879141 B 19880606
DOCDB simple family (application)
EP 87117541 A 19871127; AT 87117541 T 19871127; AU 8210987 A 19871204; BR 8706570 A 19871204; CA 553595 A 19871204; CN 87107280 A 19871203; DE 3641579 A 19861205; DE 3779878 T 19871127; ES 87117541 T 19871127; FI 875336 A 19871203; MX 952287 A 19871127; PT 8627887 A 19871203; US 12830387 A 19871203; ZA 879141 A 19871204