C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 3/12 (2006.01) B01J 13/04 (2006.01) B01J 20/26 (2006.01) B01J 20/291 (2006.01) B01J 39/18 (2006.01) C08J 3/14 (2006.01) C08L 5/00 (2006.01) G01N 30/96 (2006.01) B01D 15/32 (2006.01) B01D 15/34 (2006.01) B01D 15/36 (2006.01) B01D 15/38 (2006.01)
Patent
CA 2480313
The present invention is a process of manufacture of one or more polysaccharide beads, comprising generating an aerosol of an aqueous polysaccharide solution, cooling the droplets of said aerosol in air to initiate gelling thereof and collecting droplets as gelled beads in a liquid or on a surface, characterised by adding a hydrophilic vapour pressure- lowering agent to said polysaccharide solution.
L'invention concerne un procédé de fabrication d'une ou de plusieurs billes de polysaccharide consistant à produire un aérosol d'une solution aqueuse de polysaccharide, à refroidir les gouttelettes de l'aérosol dans l'air, de manière à lancer une gélification de celles-ci et à recueillir des gouttelettes sous forme de billes gélifiées dans un liquide ou sur une surface. Ce procédé est caractérisé en ce qu'il consiste à ajouter un agent hydrophile de réduction de la pression de vapeur dans la solution de polysaccharide.
Andersson Ralf Goeran
Berg Hans
Jonsson Ingemar
Larsson Anders
Amersham Biosciences Ab
Fetherstonhaugh & Co.
Ge Healthcare Bio-Sciences Ab
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