F - Mech Eng,Light,Heat,Weapons – 26 – B
Patent
F - Mech Eng,Light,Heat,Weapons
26
B
161/34, 62/6
F26B 5/06 (2006.01) A61J 3/06 (2006.01) A61K 9/16 (2006.01) F25C 1/00 (2006.01)
Patent
CA 1197700
ABSTRACT Process and apparatus for freezing a liquid medium Spherical frozen particles, which may be subsequently freeze dried are prepared by introducing a liquid medium in the form of droplets beneath the surface of a cooling liquid. The temperature and density of the cooling liquid is chosen so that liquid droplets freeze as they float towards the surface of the cooling liquid. Preferably a column of cooling liquid is employed and the liquid medium is introduced through an inlet near the base of the column.
416457
Buxton Ian R.
Peach James M.
Ridout & Maybee Llp
Wyeth (john) & Brother Limited
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