The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2016
Filed:
Apr. 04, 2012
Christian Bittner, Bensheim, DE;
Joerg Nieberle, Wachenheim, DE;
Bernhard Ulrich Von Vacano, Mannheim, DE;
Alexsandro Berger, Rosenheim, DE;
Roland Boehn, Maxdorf, DE;
Guenter Oetter, Frankenthal, DE;
Christian Bittner, Bensheim, DE;
Joerg Nieberle, Wachenheim, DE;
Bernhard Ulrich von Vacano, Mannheim, DE;
Alexsandro Berger, Rosenheim, DE;
Roland Boehn, Maxdorf, DE;
Guenter Oetter, Frankenthal, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The invention concerns a process for enriching an iron mineral from a silicate containing iron ore by inverse flotation comprising the addition of a collector or collector composition comprising at least one of the compounds of formulae RC(O)N(Z—O—X—NH)(Ia); RC(O)N(Z—O—X—NH)HY(Ib); in which X is an aliphatic alkylene group containing 2 to 6 carbon atoms; Z is an aliphatic alkylene group containing 2 to 6 carbon atoms; Yis an anion; and R is a saturated or unsaturated, linear or branched, aliphatic or aromatic moiety having between 7 and 23 carbon atoms. The invention also relates to the novel compounds according to formulae (Ia) and (Ib), compositions comprising said compounds and the use of compounds and formulations as collectors for enriching of iron mineral.