Filter comprising a material obtained by freeze-drying,...

Details Filter comprising a material obtained by freeze-drying,... Filter comprising a material obtained by freeze-drying,...

B - Operations, Transporting

01

D

183/109, 167/153

B01D 39/16 (2006.01) A61K 9/20 (2006.01) B01D 1/18 (2006.01) B01D 39/02 (2006.01) B01D 46/00 (2006.01) B01J 2/04 (2006.01) B01J 13/02 (2006.01)

Patent

CA 1337684

The present invention relates, by way of a novel industrial product, to a filter (1) for gaseous fluid, which contains a lyophilized and compressed filter ele- ment in the form of a porous layer. It further relates to the method for the prepara- tion of this filter and to its use on the one hand in the field of the purification and analysis of gaseous fluid, and on the other hand in the field of the prepara- tion of microparticles which may be coated with active ingredients useful in therapy and in cosmetics.

571352

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