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1. EP3689822 - PROCÉDÉ DE PRÉPARATION D'ALUMINE ALPHA À GRANDE SURFACE ET SON UTILISATION

Office Office européen des brevets (OEB)
Numéro de la demande 19154220
Date de la demande 29.01.2019
Numéro de publication 3689822
Date de publication 05.08.2020
Type de publication A1
CIB
C01F 7/44
CCHIMIE; MÉTALLURGIE
01CHIMIE INORGANIQUE
FCOMPOSÉS DE BÉRYLLIUM, MAGNÉSIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARYUM, RADIUM, THORIUM OU COMPOSÉS DES MÉTAUX DES TERRES RARES
7Composés de l'aluminium
02Oxyde d'aluminium; Hydroxyde d'aluminium; Aluminates
44Déshydratation de l'hydroxyde d'aluminium
B01J 21/04
BTECHNIQUES INDUSTRIELLES; TRANSPORTS
01PROCÉDÉS OU APPAREILS PHYSIQUES OU CHIMIQUES EN GÉNÉRAL
JPROCÉDÉS CHIMIQUES OU PHYSIQUES, p.ex. CATALYSE OU CHIMIE DES COLLOÏDES; APPAREILLAGE APPROPRIÉ
21Catalyseurs contenant les éléments, les oxydes ou les hydroxydes du magnésium, du bore, de l'aluminium, du carbone, du silicium, du titane, du zirconium ou du hafnium 
02Bore ou aluminium; Leurs oxydes ou hydroxydes
04Alumine
CPC
B01J 21/04
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
21Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
02Boron or aluminium; Oxides or hydroxides thereof
04Alumina
B01J 23/00
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
23Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
B01J 35/0013
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
35Catalysts, in general, characterised by their form or physical properties
0013Colloids
B01J 35/002
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
35Catalysts, in general, characterised by their form or physical properties
002Catalysts characterised by their physical properties
B01J 35/023
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
35Catalysts, in general, characterised by their form or physical properties
02Solids
023Catalysts characterised by dimensions, e.g. grain size
B01J 35/1014
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
35Catalysts, in general, characterised by their form or physical properties
02Solids
10characterised by their surface properties or porosity
1004Surface area
101410-100 m2/g
Déposants STUDIENGESELLSCHAFT KOHLE MBH
Inventeurs AMRUTE AMOL
SCHREYER HANNAH
SCHUETH FERDI
États désignés
Données relatives à la priorité 19154220 29.01.2019 EP
Titre
(DE) VERFAHREN ZUR HERSTELLUNG VON ALPHA-ALUMINIUMOXID MIT HOHER OBERFLÄCHE UND DESSEN VERWENDUNG
(EN) A PROCESS FOR THE PREPARATION OF HIGH SURFACE AREA ALPHA ALUMINA AND THE USE THEREOF
(FR) PROCÉDÉ DE PRÉPARATION D'ALUMINE ALPHA À GRANDE SURFACE ET SON UTILISATION
Abrégé
(EN)
The present invention refers to a process for the preparation of a high surface area nanoparticulate alpha alumina.

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