Traitement en cours

Veuillez attendre...

Paramétrages

Paramétrages

Aller à Demande

1. US20090078087 - PROCESS FOR THE ACID DIGESTION OF METAL-CONTAINING COMPOUNDS

Office
États-Unis d'Amérique
Numéro de la demande 12281217
Date de la demande 28.02.2007
Numéro de publication 20090078087
Date de publication 26.03.2009
Type de publication A1
CIB
C22B 15/00
CCHIMIE; MÉTALLURGIE
22MÉTALLURGIE; ALLIAGES FERREUX OU NON FERREUX; TRAITEMENT DES ALLIAGES OU DES MÉTAUX NON FERREUX
BPRODUCTION OU AFFINAGE DES MÉTAUX; TRAITEMENT PRÉLIMINAIRE DES MATIÈRES PREMIÈRES
15Obtention du cuivre
C09K 3/00
CCHIMIE; MÉTALLURGIE
09COLORANTS; PEINTURES; PRODUITS À POLIR; RÉSINES NATURELLES; ADHÉSIFS; COMPOSITIONS NON PRÉVUES AILLEURS; UTILISATIONS DE SUBSTANCES, NON PRÉVUES AILLEURS
KSUBSTANCES POUR DES APPLICATIONS NON PRÉVUES AILLEURS; APPLICATIONS DE SUBSTANCES NON PRÉVUES AILLEURS
3Substances non couvertes ailleurs
Déposants BASF Aktiengesellschaft Patents, Trademarks, and Licenses
Inventeurs Heidenfelder Thomas
Witteler Helmut
Laubusch Bernd
Seelmann-Eggebert Hans-Peter
Mandataires CONNOLLY BOVE LODGE &; HUTZ, LLP
Données relatives à la priorité 06110545 01.03.2006 EP
Titre
(EN) PROCESS FOR THE ACID DIGESTION OF METAL-CONTAINING COMPOUNDS
Abrégé
(EN)

Aqueous leachant compositions and processes for using the same comprising: (a) providing a metal-containing compound; and (b) subjecting the metal-containing compound to an acid digestion comprising contacting the metal-containing compound with an aqueous leachant; wherein the aqueous leachant comprises a mixture selected from the group consisting of: (i) sulfuric acid and one or more alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of alkanesulfonic acid to sulfuric acid of 1:1000 to 1:1; (ii) sulfuric acid and one or more salts of alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of salt of alkanesulfonic acid to sulfuric acid of 1:9 to 1:99.

Related patent documents
CO08091393This application is not viewable in PATENTSCOPE because the national phase entry has not been published yet or the national entry is issued from a country that does not share data with WIPO or there is a formatting issue or an unavailability of the application.