C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 33/16 (2006.01) C01B 33/154 (2006.01)
Patent
CA 2313182
A method of producing substantially spherical lyogels in water insoluble silylating agents. The present invention refers to a method of producing substantially spherical lyogels in which a) a lyogel is provided, b) the lyosol obtained in step a) is transferred to at least one silylating agent in which the lyosol is insoluble, and c) the spherical lyosol formed in step b) is gelatinised in at least one silylating agent in which the lyosol is likewise insoluble, to produce the lyogel.
La présente invention concerne un procédé de production de lyogels sensiblement sphériques qui consiste: a) à disposer d'un lyogel; b) à transférer le lyogel obtenu à l'étape a) vers au moins un agent de silylation dans lequel le lyogel est insoluble; et c) gélatiniser le lyosol formé à l'étape b) dans au moins un agent de silylation dans lequel le lyosol est également insoluble, afin de produire le lyogel.
Baumler Uwe
Schwertfeger Fritz
Cabot Corporation
Fetherstonhaugh & Co.
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