CPC Subgroup
B01J 37/32 Freeze drying, i.e. lyophilisation
Full Title
Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts > Freeze drying, i.e. lyophilisation
B01J 37/32 Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts > Freeze drying, i.e. lyophilisation