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1. WO2004007368 - METHOD FOR THE PREPARATION OF AEROGELS

Publication Number WO/2004/007368
Publication Date 22.01.2004
International Application No. PCT/EP2003/006606
International Filing Date 24.06.2003
Chapter 2 Demand Filed 01.08.2003
IPC
B01J 13/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
13Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
C01B 33/158 2006.01
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF
33Silicon; Compounds thereof
113Silicon oxides; Hydrates thereof
12Silica; Hydrates thereof, e.g. lepidoic silicic acid
14Colloidal silica, e.g. dispersions, gels, sols
157After-treatment of gels
158Purification; Drying; Dehydrating
CPC
B01J 13/0091
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
13Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
0091Preparation of aerogels, e.g. xerogels
C01B 33/1585
CCHEMISTRY; METALLURGY
01INORGANIC CHEMISTRY
BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; ; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
33Silicon; Compounds thereof
113Silicon oxides; Hydrates thereof
12Silica; Hydrates thereof, e.g. lepidoic silicic acid
14Colloidal silica, e.g. dispersions, gels, sols
157After-treatment of gels
158Purification; Drying; Dehydrating
1585Dehydration into aerogels
Applicants
  • NOVARA TECHNOLOGY S.R.L. [IT]/[IT] (AllExceptUS)
  • COSTA, Lorenzo [IT]/[IT] (UsOnly)
  • COSTA, Fulvio [IT]/[IT] (UsOnly)
Inventors
  • COSTA, Lorenzo
  • COSTA, Fulvio
Agents
  • WEBER, Wolfgang
Priority Data
NO2002A00001012.07.2002IT
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD FOR THE PREPARATION OF AEROGELS
(FR) PROCEDE D'ELABORATION D'AEROGELS
Abstract
(EN)
The present invention is concerned with a method for the preparation of aerogels that includes a phase of exchange with the liquid present in the aquagel by the liquid xenon and the subsequent extraction thereof.
(FR)
L'invention concerne un procédé d'élaboration d'aérogels qui comporte une phase d'échange avec le liquide présent dans l'aquagel par le xénon liquide, puis l'extraction de celui-ci.
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